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

Ex Input:
Sentence: Matt knows that when he flies his kite in a storm sky it moves slower then when he flies it in a rainy sky. Question: Which sky offers more friction?

Ex Output:
stormy sky


Ex Input:
Sentence: A cutting board is put over a metal sink. Sarah cuts some vegetables on the cutting board. The cutting board slides around. She moves the cutting board onto a wet dish rag on the counter. Then she cuts more vegetables. The cutting board doesn't slide around. Question: Which one of these sticks to the cutting board more safely?

Ex Output:
wet dish rag


Ex Input:
Sentence: Tom and Jim are brothers.  Tom is thirteen and Jim is six.  Tom is much bigger.  They go out to throw rocks at the lake. Question: Who can throw them farther?

Ex Output:

Tom