Problem: Jim signaled the barman and gestured toward *his* empty glass

Do "his" and "Jim" mean the same thing?

Answer: yes


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

Do "It" and "The fish" mean the same thing?

Answer: no


Problem: Since it was raining, I carried the newspaper in my backpack to keep *it* dry.

Do "it" and "the newspaper" mean the same thing?

Answer:
yes