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

I put the heavy book on the table and *it* broke.
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A: no


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

The cat was lying by the mouse hole waiting for the mouse , but *it* was too cautious.
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A: yes


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

I couldn't put the pot on the shelf because *it* was too high.
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A: no


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

Sam took French classes from Adam , because *he* was known to speak it fluently.
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A:
yes