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

Sentence: A plastic bottle rolling across a picnic table experiences low friction, while a plastic bottle rolling across a lawn experiences high friction. Question: Which surface will make the plastic bottle get hotter as it rolls across?
lawn

Sentence: A pair of glasses experiences low resistance when slid across a counter, but high resistance when slid across an office desk. Question: Which surface will cause the glasses to get hotter as they travel across it?
desk

Sentence: Sarah brushed her hair. Some fell off and turned into a hairball on the bathroom rug. Then Joe walked across the bathroom. The hairball moved a foot across the rug. then it moved a few inches across the pile of laundry next to the rug. Question: On which of these areas did the hairball encounter more friction?

pile of clothes