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.

Q: Sentence: Zachary likes to push his toy car around the house. His mom notices his car rolls slower on the carpet in the dining room than on the hardwood floor in the nursery. Question: Which surface has the greatest resistance? (A) the hardwood floor or (B) the dining room carpet

A: the dining room carpet
****
Q: Sentence: Both Linda and Keith leave for work at the same time. Linda drives in her car and Keith is walking. Question: If they've both been traveling for two hours, who is more likely to have covered less distance? (A) Linda (B) Keith

A: Keith
****
Q: Sentence: Frank was dragging a heavy log across the yard. His twin brother Fred was dragging one that weighed only half as much. Question: When the work was through, who had lost more perspiration? (A) Frank (B) Fred

A:
Frank
****