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Japanese researchers are producing a series of robots that can identif

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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 23 Jun 2019, 15:00
(A) expressions, to which they will then respond; their goal is primarily creating
(E) expressions and responding to them; primarily, the researchers' goal is creating

(B) expressions, then responding to them; primarily to create
(D) expressions as well as giving a response to them; their primary goal is creation of

(C) expressions and then respond to them; the researchers' primary goal is to create
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New post 23 Jun 2019, 20:06
As discussed before, the right answer here is C. One thing worth pointing out however is that most sentences have 2 major flash-points, and identifying them makes our task a lot easier.

In this case, one rule would be that if there are two consecutive verbs, the second one should be in the "to+infinitive" form. This immediately helps eliminate A, B, D.

E has a parallelism error, leaving us with C.

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New post 02 Aug 2019, 21:07
pronoun ambiguity can be tolerate and can be in OA if there is no choice better. but if there is pattern better, pronoun ambiguity can be eliminated. this error is called INFERIOR ERROR, not hard and fast rule errors.

pronoun ambiguity can not be tolerate if there is 2 nouns which can be referents of the pronoun logically. in choice a, both researcher and robots can be logically referent of "they". so, the pronoun ambiguity here can not be tolerate.

and, we have better choice C with clear ambiguity, so, choice A suffer intolerable and inferior error and is gone
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New post 02 Aug 2019, 21:56
sondenso wrote:
Japanese researchers are producing a series of robots that can identify human facial expressions, to which they will then respond; their goal is primarily creating a robot that will empathize with us.


(A) expressions, to which they will then respond; their goal is primarily creating

(B) expressions, then responding to them; primarily to create

(C) expressions and then respond to them; the researchers' primary goal is to create


(D) expressions as well as giving a response to them; their primary goal is creation of

(E) expressions and responding to them; primarily, the researchers' goal is creating


Clear pronoun ambiguity in the original sentence in below sections
  • "they will then respond". They refers to robots/researchers
  • "their goal is primarily creating" whose goal- Robots'/researchers'

Only C removed the Ambiguity clearly, and makes the maning clear.
Hence, C
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New post 08 Feb 2020, 22:43
whamberto wrote:
The answer is definitely C here:

A. The pronoun "they" is ambiguous in this sentence - we are not sure whether this word refers to the researchers or the robots. Also, "primarily creating" is incorrect. This should actually be "primarily to create." The use of "to which they will respond" is wordy - a better version would be to place this in parallel to "can identify human facial expressions" to show that the robots can do both things.

B. The second half of the sentence (the part after the semicolon), is a fragment because there is no subject. This is incorrect because a semicolon should be sandwiched by 2 independent clauses. Also, we should put "then responding to them" in parallel with "can identify human facial expressions" to show that the robots can do both things.

C. This is the correct answer. The terms "identify and respond" are in parallel to describe the 2 things that the robots can do. Also, the second half of the sentence begins with the subject, rather than the pronoun "their" to remove the ambiguity.

D. "As well as giving" is wordy and it is not parallel to "can identify human facial expressions." Also, "creation of" should be "the creation of."

E. The word "responding" is not parallel to "identify." Also, the placement of the modifier "primarily" should be in front of the word "goal," not at the beginning of the 2nd sentence.


I could identify that the answer is option C, but I have a doubt regarding the pronoun them which is being used in option C.
Japanese researchers are producing a series of robots that can identify human facial expressions and then response to them; the researchers' primary goal is to create a robot that will empathize with us.

Here them can refer to both researchers and facial expressions.
robots that can identify human facial expressions and then response to researchers.
robots that can identify human facial expressions and then response to facial expressions.
Can someone please explain?
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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 09 Feb 2020, 23:05
ajaygaur319 wrote:
I could identify that the answer is option C, but I have a doubt regarding the pronoun them which is being used in option C.
Japanese researchers are producing a series of robots that can identify human facial expressions and then response to them; the researchers' primary goal is to create a robot that will empathize with us.

Here them can refer to both researchers and facial expressions.
robots that can identify human facial expressions and then response to researchers.
robots that can identify human facial expressions and then response to facial expressions.
Can someone please explain?
Hi ajaygaur319,

Pronoun ambiguity is not a major issue. Try to find other, more important entry points, and use concepts like awkwardness, ambiguity, redundancy, and use of the passive only if you cannot find a more reliable basis on which to eliminate an option.
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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 12 Feb 2020, 06:06
In option C, could "them" refer back to the researchers rather that facial expressions?

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Re: Japanese researchers are producing a series of robots that can identif   [#permalink] 12 Feb 2020, 06:06

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