QUES:
Who is he in the following sentence?

The boy ran from the cop because he saw the crime.

ANS:
the cop

QUES:
Who is they in the following sentence?

Blue Thunder scored more goals than Green Hogs since they are not very good at the game.

ANS:
Green Hogs

QUES:
Who is he in the following sentence?

Robert fired Chris because he couldn't do the job.

ANS:
Chris