Q: .

Tom threw his schoolbag down to Ray after *he* reached the bottom of the stairs.

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

Sam took French classes from Adam , because *he* was known to speak it fluently.

Do "he" and "Adam" mean the same thing?
A: yes
Q: .

In the storm, the tree fell down and crashed through the roof of my house. Now, I have to get *it* removed.

Do "it" and "the roof" mean the same thing?
A:
no