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

Example Input: Sentence: Ben wants to put up a poster in the school hall and he wants it to be resistant to tearing. Question: What should he make the poster on?
Example Output: cardboard

Example Input: Sentence: Kevin is a lot stronger then Mary. Question: Which person can throw a ball a greater distance?
Example Output: Kevin

Example Input: Sentence: John is flying across the country in a plane. Janet is walking across town. Question: Who is likely to have gone further after an hour?
Example Output:
John