IN:
Multi-choice problem: [he]

John flicked Bill because he had a fly on his shirt.

OUT:
Bill

IN:
Multi-choice problem: [he]

Mark tackled the quarterback, but he was penalized.

OUT:
Mark

IN:
Multi-choice problem: [he]

Harrison looked into illegal accusations against his partner, Bryan, but he may of been falsely accused.

OUT:
Bryan

IN:
Multi-choice problem: [they]

Nvidia is giving away two top of the line laptops to its users, so they have a chance to get them for free.

OUT:
its users