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

Q: Sentence: Ada was playing kickball. She kicked a ball into the gravel and noticed it was warm when she picked it up. She kicked it again onto a grassy hill, but this time the ball wasn't very hot when she retrieved it. Question: In which surface did the ball travel the most?

A: grassy hill
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Q: Sentence: A frisbee benefits from low friction when sliding across a frozen lake and high friction when sliding over frozen ground. Question: Which surface is going to make the frisbee slide at a lower rate of speed?

A: frozen ground
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Q: Sentence: Two cars are going to race each other. One driver puts just enough fuel into his car's tank to get through the race in order to keep the weight of his car low. The other driver fills his car's tank completely, which makes the car more heavy. Question: Which car will get up to full speed more quickly at the start of the race?

A:
car with nearly empty fuel tank
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