instruction:
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: Nell has very thick hair; Lynn's hair is much thinner. Question: Whose hair is stronger? (A) Nell (B) Lynn
answer:
Nell


question:
Sentence: An orange experiences more friction rolling across a grove floor compared to a dining table. Question: Which surface causes the orange to travel at a lower rate of speed? (A) grove floor (B) dining table
answer:
grove floor


question:
Sentence: Dave notice that when taking batting practice the baseball moves slower on the natural grass of the team's practice field than on the artificial grass of the stadium. Question: Which surface has more resistance? (A) the artificial grass or (B) the natural grass
answer:
the natural grass