Q: The city councilmen refused the demonstrators a permit because *they* feared violence.
Are "the demonstrators" and "they" the same?
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A: no

Q: Pete envies Martin although *he* is very successful.
Are "Martin" and "he" the same?
=======
A: no

Q: It was a summer afternoon, and the dog was sitting in the middle of the lawn. After a while, it got up and moved to a spot under the tree, because *it* was hot.
Are "the dog" and "it" the same?
=======
A:
yes