Problem: Although they ran at about the same speed, Sue beat Sally because *she* had such a bad start.

Are "she" and "Sue" the same?
Answer: no

Problem: The table won't fit through the doorway because *it* is too narrow.

Are "it" and "the doorway" the same?
Answer: yes

Problem: Pete envies Martin although *he* is very successful.

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

Problem: Dan had to stop Bill from toying with the injured bird. *He* is very cruel.

Are "He" and "Bill" the same?
Answer:
yes