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: A billiard ball has a greater mass then a basketball. Question: Which ball has a stronger field of gravity? (A) billiard ball (B) basketball
billiard ball

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
breakfast plate

Sentence: A toilet paper roll sliding along a living room floor gets hotter then one sliding across a bathroom floor. Question: Which surface has the most friction? (A) bathroom floor (B) living room floor
living room floor