instruction:
You are given a sentence and a question. You're expected to write the correct answer based on the sentence.
question:
Sentence: A leather glove sliding along a door knob doesn't experience as much friction as one sliding along a grab bar. Question: Which surface will let the glove slide a greater distance?
answer:
door knob


question:
Sentence: A stick of gum that is slid across a classroom desk travels pretty slow compared to a stick of gum that is pushed across a home office desk. Question: Which surface is the most rough?
answer:
classroom desk


question:
Sentence: Dana just got down running a marathon. Alan just got done doing relaxing yoga. Question: Who is sweating more?
answer:

Dana