Q: .

Tom said "Check" to Ralph as he took *his* bishop.

Do "his" and "Ralph" mean the same thing?
A: yes
Q: .

Tom gave Ralph a lift to school so *he* wouldn't have to walk.

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

Mark was close to Mr. Singer 's heels. He heard him calling for the captain , promising him, in the jargon everyone talked that night, that not one thing should be damaged on the ship except only the ammunition, but the captain and all *his* crew had best stay in the cabin until the work was over.

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