QUESTION:
The ball hit the window and Bill caught it.
Who is "it"?

ANS:
The ball

QUESTION:
Coins are better than dollars because they weigh more.
Who is "they"?

ANS:
Coins

QUESTION:
Hunters excel in tracking animals because they often leave some sort of mark when traveling through the forest.
Who is "they"?

ANS:
animals

QUESTION:
Joe earned more money than Rob on the Price is Right because he kept guessing wrong.
Who is "he"?

ANS:
Rob