Problem: Fred and Alice had very warm down coats , but *they* were not enough for the cold in Alaska.

Are "they" and "coats" the same?
Answer: yes

Problem: Alice tried frantically to stop her daughter from barking at the party, leaving us to wonder why *she* was behaving so strangely.

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

Problem: Our mistress hired a room for my crippled sister Nelly , and she gave her knitting and needlework when she was able to do it, and when she was ill *she* sent her dinners and many nice comfortable things and was like a mother to her.

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

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

Are "It" and "The fish" the same?
Answer:
no