You are given a sentence and a question. You're expected to write the correct answer based on the sentence.
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Question: Sentence: Mary's kitchen floor is slicker then her hallway floor. She was feeding her dogs one day and some kibble slid across both surfaces. Question: Which surface caused the kibble to heat up less?

Answer: kitchen floor


Question: Sentence: A halter sliding across a barn floor gets hotter then one sliding across a field. Question: Which surface forces the halter to travel at a lower rate of speed?

Answer: barn floor


Question: Sentence: Mike's metal bar is much thicker then his paper sheet. Question: Which item would resist for longer if he tried to break it?

Answer:
metal bar