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.

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
the niece

Sentence: A traveler wants to go between cities in Japan. She does some research and sees that a bullet train can go much faster than a car. Question: If she wants to spend less time in her trip from city to city, which should she choose? (A) bullet train (B) car.
bullet train

Sentence: David and Laura are playing Frisbee. David is not as strong as Laura is. Question: When they throw the Frisbee, who throws it a lesser distance? (A) David (B) Laura
David