You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Sentence: A table is less rough then a lap. Question: Which surface will cause a napkin to heat up more when slid across it? (A) lap (B) table
lap

Sentence: Mike's truck is slower then his van. Question: If he drove both of them for 5 minutes, which would have gone the smaller distance? (A) truck (B) van
truck

Sentence: John smashes his ex-girlfriend's car with a rubber mallet and a Styrofoam mallet. Question: Which mallet is less likely to break? (A) rubber mallet (B) Styrofoam mallet

rubber mallet