Q: .

The firemen arrived before the police because *they* were coming from so far away.

Do "they" and "The firemen" mean the same thing?
A: no
Q: .

The pony behaved well, sir, and showed no vice; but at last he just threw up his heels and tipped the young gentleman into the thorn hedge. He wanted me to help *him* out, but I hope you will excuse me, sir, I did not feel inclined to do so.

Do "him" and "pony" mean the same thing?
A: no
Q: .

The man lifted the boy onto *his* shoulders.

Do "his" and "The man" mean the same thing?
A:
yes