TASK DEFINITION: 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.
PROBLEM: Sentence: Jeff is walking through the park.  Betty is running on the same path. Question: After an hour, who has gone farther? (A) Jeff (B) Betty

SOLUTION: Betty

PROBLEM: Sentence: A sandwich sliding across a lunch plate experiences less friction then one sliding across a breakfast plate. Question: Which plate will force the sandwich to slide at a lower rate of speed? (A) lunch plate (B) breakfast plate

SOLUTION: breakfast plate

PROBLEM: Sentence: Janet is testing how much mass objects have. She is currently testing between a metal rod and a paper crane. She drops both from six feet in the air at the same time. Question: Which has stronger gravity? (A) metal rod (B) paper crane

SOLUTION:
metal rod