Question:
Herman Cain has been rising in the polls, causing concern for Rick Perry, since he has been appealing to a wider audience.

Who is he referring to in this sentence?
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Answer:
Herman Cain


Question:
Conservatives differ from Democrats since they normally promote change.

Who is they referring to in this sentence?
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Answer:
Democrats


Question:
There is more NLP work on English than on Bengali because it has rich linguistic resources.

Who is it referring to in this sentence?
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Answer:
English


Question:
The military prepared to go to battle with an Amish colony because they were amassing a dangerous number of goats without a permit.

Who is they referring to in this sentence?
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Answer:

an Amish colony