Problem: Frank felt vindicated when his longtime rival Bill revealed that *he* was the winner of the competition.

Are "he" and "Bill" the same?
Answer: no

Problem: John couldn't see the stage with Billy in front of him because *he* is so short.

Are "he" and "Billy" the same?
Answer: no

Problem: The donkey wished a wart on its hind leg would disappear, and *it* did.

Are "it" and "donkey" the same?
Answer: no

Problem: My master and mistress decided to pay a visit to some friends who lived about forty-six miles from our home, and James was to drive *them* .

Are "them" and "some friends" the same?
Answer:
no