IN:
Multi-choice problem: [they]

Amazon's Kindle Fire may surpass Apple's IPad because they offer a very competitive low price.

OUT:
Amazon

IN:
Multi-choice problem: [he]

Bill returned Jim twenty dollars because he lent money.

OUT:
Jim

IN:
Multi-choice problem: [she]

Sam cheated Sally but she did not cry.

OUT:
Sally

IN:
Multi-choice problem: [she]

Emma did not pass the ball to Janie, although she should have.

OUT:
Emma