The only way for a team to win the $10 million Ansari X Prize for private manned spaceflight is
for them to privately finance and successfully launch a reusable craft on a 62-mile-high flight twice within two weeks with a live human pilot on board.
Error Analysis:The sentence is talking about how “a team” can win the $10 million Ansari X Prize for private manned spaceflight. Use of plural pronoun “them” is incorrect to refer to singular “a team”.
Also, “for them” is not required in the sentence because “a team” has already been mentioned in the very same clause.
PoE:A. for them to privately finance and successfully launch a reusable craft:
Incorrect for the reasons discussed above.
B. if they privately finance and successfully launch a reusable craft:
Incorrect. Plural pronoun “they” is incorrect to refer to singular “a team”.
C. if a reusable craft is privately financed and successfully launched by them:
Incorrect. Plural pronoun “them” is incorrect to refer to singular “a team”.
D. by privately financing and successfully launching a reusable craft:
Incorrect. Using “by…” is not correct here.
E. to privately finance and successfully launch a reusable craft:
Correct.
Hope this helps.
Thanks.
Shraddha
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