Problem: Do "corn" and "it" point to the same thing in the following sentence?

Even before they reached town , they could hear a sound like corn popping. Dora asked what *it* was, and Dad said it was firecrackers.
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A: no


Problem: Do "the demonstrators" and "they" point to the same thing in the following sentence?

The city councilmen refused the demonstrators a permit because *they* advocated violence.
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A: yes


Problem: Do "Emma's mother" and "her" point to the same thing in the following sentence?

Emma's mother had died long ago, and *her* place had been taken by an excellent woman as governess.
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A: yes


Problem: Do "Bob" and "he" point to the same thing in the following sentence?

Bob was playing cards with Adam and was way ahead. If Adam hadn't had a sudden run of good luck, *he* would have won.
****
A:
yes