Problem: Steve follows Fred 's example in everything. *He* admires him hugely.

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

Problem: When Tatyana reached the cabin, *her* mother was sleeping. She was careful not to disturb her , undressing and climbing back into her berth.

Are "her" and "Tatyana" the same?
Answer: no

Problem: The sculpture rolled off the shelf because *it* wasn't level.

Are "it" and "The sculpture" the same?
Answer: no

Problem: The fish ate the worm . *It* was hungry.

Are "It" and "The fish" the same?
Answer:
yes