The professor grading the student's paper said that he loved it.

Who is "he" in this prior sentence?
OPTIONS:
- The professor
- the student
The professor
The zookeepers make sure to feed the chimps on a daily schedule so they can remain healthy and content.

Who is "they" in this prior sentence?
OPTIONS:
- The zookeepers
- the chimps
the chimps
The jocks did not like the nerds because they were losers.

Who is "they" in this prior sentence?
OPTIONS:
- The jocks
- the nerds
the nerds