Question: Caesar the ape found out the door code by watching Morris, because he was careless when typing in the code.
Based on this sentence, who is he?

Answer: Morris

Question: The cops maced the protesters because they do not blindly follow orders.
Based on this sentence, who is they?

Answer: the protesters

Question: Steven assassinated the president because he was a too liberal.
Based on this sentence, who is he?

Answer: the president

Question: Jack is an optimist, and Adam is a pessimist, then he looks at the cup half full.
Based on this sentence, who is he?

Answer:
Jack