The space marines killed the aliens because they were ordered to.

Who is "they" in this prior sentence?
OPTIONS:
- The space marines
- the aliens
The space marines
Policemen advocated the use of wire taps to track terrorists, because they could not catch them without those tools.

Who is "they" in this prior sentence?
OPTIONS:
- Policemen
- terrorists
Policemen
John chose Bill because he was the best choice.

Who is "he" in this prior sentence?
OPTIONS:
- John
- Bill

Bill