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

Input: Consider Input: Sentence: A tree trunk is thicker then a tree leaf. Question: Which part of the tree is the stronger one?

Output: trunk

Input: Consider Input: Sentence: Tom walks around wearing one glass shoe and one leather shoe. Question: Which shoe is more likely to break?

Output: Glass shoe

Input: Consider Input: Sentence: Mitch is rolling wagons down a hill at the same time. The red wagon goes to the bottom of the hill, but the black wagon stops halfway down the hill. Question: Which wagon was slower?
Output: black wagon