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

Ex Input:
Sentence: A boy slid in the mud, after walking across the grass yard with no problem. Question: Which had more resistance?

Ex Output:
grass


Ex Input:
Sentence: Jim is a professional hockey player. He knows that wet ice is rougher than dry ice. Question: Which type of ice can he skate faster on?

Ex Output:
dry ice


Ex Input:
Sentence: A sedan and a garbage truck start side by side at a traffic light. When the light turns green both vehicle race to reach 50 miles per hour. Question: Which vehicle will win the race?

Ex Output:

Sedan