Problem: My meeting started at 4:00 and I needed to catch the train at 4:30, so there wasn't much time. Luckily, *it* was short, so it worked out.

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

Problem: The journalists interviewed the stars of the new movie. *They* were very cooperative, so the interview lasted for a long time.

Are "They" and "The journalists" 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: Susan knew that Ann 's son had been in a car accident, because *she* told her about it.

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