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

Do "It" and "the worm" mean the same thing?

Answer: no


Problem: Joe paid the detective after *he* delivered the final report on the case.

Do "he" and "Joe" mean the same thing?

Answer: no


Problem: Thomson visited Cooper 's grave in 1765. At that date *he* had been travelling for five years.

Do "he" and "Cooper" mean the same thing?

Answer:
no