You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
--------
Question: Sentence: Jasper is carrying his nephew in the park.  Then it's his niece's turn.  His niece is five years older and weighs more. Question: Who has more of a gravity pull? (A) the niece (B) the nephew

Answer: the niece


Question: Sentence: One of Sarah's neighbors spilled dog food all over the stairs. The dog food pieces are on three stairways and all over the landings. Sarah gets mad and kicks a piece of dog food. The dog food flies across the wooden planks from one side of the staircase landing to the other. The dog food reaches the neighbor's door mat. It moves a few inches across the doormat. Question: Why didn't the dog food move further across the doormat? (A) The door mat is a spikier surface (B) the staircase landing is a spikier surface

Answer: The door mat is a spikier surface


Question: Sentence: Joe and Mike are throwing rocks at the lake. Question: If Mike is a lot stronger than Joe, who will be more likely to throw a rock further? (A) Joe (B) Mike.

Answer:
Mike