Q: .

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

Do "he" and "Joe" mean the same thing?
A: no
Q: .

Bob collapsed on the sidewalk. Soon he saw Carl coming to help. *He* was very concerned.

Do "He" and "Carl" mean the same thing?
A: yes
Q: .

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

Do "he" and "Cooper" mean the same thing?
A:
yes