QUES:
Who is they in the following sentence?

Wall Street was bailed out by the government because they were on the verge of collapsing.

OPTIONS:
- Wall Street
- the government

ANS:
Wall Street

QUES:
Who is he in the following sentence?

Kurt flew in Alex's plane, and he thanked him.

OPTIONS:
- Kurt
- Alex

ANS:
Kurt

QUES:
Who is he in the following sentence?

Americans preferred Obama to McCain because he chose Joe Biden as his runing-mate.

OPTIONS:
- Obama
- McCain

ANS:
Obama