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: Bob took his toy car outside to play with it. He rolled it on the street and then he rolled it in the grass. He noted that the toy car rolled much faster in the street. Question: Which surface caused more friction? (A) The street (B) The grass

SOLUTION: The grass

PROBLEM: Sentence: David and Michael are doing laps at the park. Question: If David is running and Michael is walking, who travelled a higher distance after ten minutes? (A) David (B) Michael.

SOLUTION: David

PROBLEM: Sentence: Sam stands 100 feet away from John and yells John's name. She moves to 100 yards away from John and yells his name. Question: At what point will Sam's voice sound less loud? (A) 100 feet (B) 100 yards

SOLUTION:
100 yards