instruction:
You are given a sentence and a question. You're expected to write the correct answer based on the sentence.
question:
Sentence: Franklin found that if he slides a turtle on its back across a pool table, it slides farther than if he were to slide the turtle across a pile of leaves. He realizes this because there is less resistance on the pool table. Question: The difference in the length that the turtle slides across both surfaces can be attributed to which surface being rougher?
answer:
pile of leaves


question:
Sentence: Sarah is making a planter out of an empty milk carton. She drills some holes in the milk carton so the soil will be able to drain water. The plastic bits that are drilled off are scattered on the floor. Then she moves to a clean area of the floor. She slides the empty milk carton across the floor to where she was before. The milk carton goes past everything else in the kitchen and continues over the plastic bits, but moves only a few feet over them. Question: Which part of the floor is harder to move an object across?
answer:
the part with plastic bits


question:
Sentence: After he finished washing dishes, Bill threw a wet sponge at his brother across the room at his brother Ben, hitting him in the face. Ben picked up the sponge and threw it back at Bill, but it didn't reach Bill. It dropped to the floor a foot in front of Bill. Question: Which brother has less muscle strength in their arm?
answer:

Ben