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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, 16:00
(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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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 23 Jun 2019, 21:06
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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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 02 Aug 2019, 22:07
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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Re: Japanese researchers are producing a series of robots that can identif  [#permalink]

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New post 02 Aug 2019, 22:56
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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Re: Japanese researchers are producing a series of robots that can identif   [#permalink] 02 Aug 2019, 22:56

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