QUES:
Who is they in the following sentence?

The US army fought the Taliban because they are trying to prevent terrorism.

OPTIONS:
- The US army
- the Taliban

ANS:
The US army

QUES:
Who is she in the following sentence?

Anna tucked Olivia into bed because she fell asleep on the couch.

OPTIONS:
- Anna
- Olivia

ANS:
Olivia

QUES:
Who is he in the following sentence?

The big brother always beats the little brother at board games since he is not very good at games.

OPTIONS:
- The big brother
- the little brother

ANS:
the little brother