QUES:
Who is he in the following sentence?

The judge was fond of the contestant so he voted favorably.

ANS:
The judge

QUES:
Who is they in the following sentence?

Saturday Night Live often has politicians as one of their main centers of attention since they are what viewers want to see joked about.

ANS:
politicians

QUES:
Who is he in the following sentence?

John thanked Bill because he was helpful.

ANS:
Bill