You will be given a definition of a task first, then an example. Follow the example to solve a new instance of the task.
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: Jacob and Benny are squatting at the gym. Jacob has thin frail legs and Benny has big strong legs. Question: Who squats less weight? (A) Jacob (B) Benny
Solution: Jacob
Why? Typically, people with thin frail legs squat less weight than people with big strong legs, so the answer is Jacob.

New input: Sentence: Barry was driving his new car. As he drove on the new road, there were no problems, but it was a rough drive on the gravel side road. Question: Which road way would have generated more heat as Barry drove? (A) new roadway (B) gravel.
Solution:
gravel