IN:
Multi-choice problem: [they]

The heavy weapons team bombarded the settlement with their mortars since they needed to soften up the enemy before moving in.

OPTIONS:
- The heavy weapons team
- the settlement

OUT:
The heavy weapons team

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]

John appreciated Bill because he had been in need.

OPTIONS:
- John
- Bill

OUT:
John

IN:
Multi-choice problem: [they]

The pyramids are a maze which contains a great deal of treasure, but they are not always in each of them.

OPTIONS:
- The pyramids
- treasure

OUT:
treasure