IN:
Multi-choice problem: [they]

The wolves ate the cows because they were hungry.

OPTIONS:
- The wolves
- the cows

OUT:
The wolves

IN:
Multi-choice problem: [he]

David hit Bill and he enjoyed it.

OPTIONS:
- David
- Bill

OUT:
David

IN:
Multi-choice problem: [they]

The invaders showed no mercy to the defenders because they are a vicious and unforgiving people.

OPTIONS:
- The invaders
- the defenders

OUT:
The invaders

IN:
Multi-choice problem: [they]

The invaders showed no mercy to the defenders, but they would not surrender anyway.

OPTIONS:
- The invaders
- the defenders

OUT:
the defenders