IN:
Multi-choice problem: [she]

Jennifer Aniston does not like Angelina Jolie because she stole her boyfriend.

OUT:
Angelina Jolie

IN:
Multi-choice problem: [he]

Student A beat student B, because he slacked off.

OUT:
student B

IN:
Multi-choice problem: [they]

Tech Analysts have speculated that Amazon will be releasing a phone next year since they have made a contract with vendors for phone parts.

OUT:
Amazon

IN:
Multi-choice problem: [they]

The Apes were determined to be contaminated by disease specialists, but they refused to admit their fault.

OUT:
disease specialists