Question: The bird perched on the limb and it sang.
Based on this sentence, who is it?

Answer: The bird


Question: Santa Claus and his elves distributed millions of presents worldwide to the children of the world, but they do not all believe in them being able to give presents worldwide in a night.
Based on this sentence, who is they?

Answer: the children of the world


Question: Mary lied to Sue and she asked for forgiveness.
Based on this sentence, who is she?

Answer: Mary


Question: Herman Cain has been rising in the polls, causing concern for Rick Perry, but he does not believe this rise in popularity will sustain.
Based on this sentence, who is he?

Answer:
Rick Perry