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: A flatbed truck has a really rough time driving over a landfill and a rather easy time driving over a parking lot. Question: Which surface will let the flatbed truck travel a greater distance? (A) landfill (B) parking lot
answer:
parking lot


question:
Sentence: A spaceship explores the moon and later explores an asteroid. The moon is several times more massive than the asteroid. Question: Which celestial body will the spaceship have an easier time escaping due to its lower force of gravity? (A) asteroid (B) The Moon
answer:
asteroid


question:
Sentence: Doug travels from his house to a friend's house on his bicycle, and he moves much more quickly than when he makes the same trip on foot. Question: In which situation will Doug get to his friend's house sooner? (A) On foot (B) On a bicycle
answer:

On a bicycle