IN: Which person is they?
Santa Claus and his elves distributed millions of presents worldwide to the children of the world, because they wish to reward those who behaved.

OPTIONS:
- Santa Claus and his elves
- the children of the world
OUT: Santa Claus and his elves
Who is they?
The space marines killed the aliens because they were a threat.

OPTIONS:
- The space marines
- the aliens

A:
the aliens
IN:
Multi-choice problem: [they]

A series of injections are used to battle a type of cancer in patients because they have a special type of drug which counteracts this sickness.

OPTIONS:
- A series of injections
- patients

OUT:
patients
QUES:
Who is he in the following sentence?

Jim Carrey convinced Jeff to travel with him to Aspen, since he wanted to have a travel buddy to visit his girlfriend.

OPTIONS:
- Jim Carrey
- Jeff

ANS:
Jim Carrey
Question: Bob Marley shot the sheriff, but he survived.
Based on this sentence, who is he?

OPTIONS:
- Bob Marley
- the sheriff

Answer: the sheriff
IN: Which person is he?
Herman Cain has been rising in the polls, causing concern for Rick Perry, since he has been appealing to a wider audience.

OPTIONS:
- Herman Cain
- Rick Perry
OUT:
Herman Cain