You are given a sentence and a question. You're expected to write the correct answer based on the sentence.

[Q]: Sentence: A spring rolling along a bed experiences very low friction, while one rolling along the floor experiences high friction. Question: Which surface is less rough?
[A]: bed


[Q]: Sentence: Lisa is riding her bike while Peter is walking the same way. Question: After 30 minutes who would have gone the furthest?
[A]: Lisa


[Q]: Sentence: Sue was angry and kicked the oak door to her house.  It barely budged. When she went inside, she kicked the plywood door to her room.  Her foot went right through. Question: Which door was thicker?
[A]:
the oak door thicker