QUES:
Who is they in the following sentence?

Dogs are friendlier than cats since they enjoy the company of people.

OPTIONS:
- Dogs
- cats

ANS:
Dogs

QUES:
Who is it in the following sentence?

The Emancipation Proclamation made slavery illegal, but it was still practiced.

OPTIONS:
- The Emancipation Proclamation
- slavery

ANS:
slavery

QUES:
Who is they in the following sentence?

The University declared holiday to students because they requested them.

OPTIONS:
- The University
- students

ANS:
students