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

Ex Input:
Sentence: An airplane and a train leave from the same location and travel for three hours. Question: Which traveled the least number of miles?

Ex Output:
Train


Ex Input:
Sentence: Mike knows that his porsche is quicker then his mazda. Question: If he drove both cars for the same amount of time, which would have gone the greater distance?

Ex Output:
porsche


Ex Input:
Sentence: Roni was playing with a beach ball at the beach. She noticed that when she rolled the ball on the sand, it traveled slower than when she rolled it on the wooden boardwalk. Question: Which surface provides more resistance?

Ex Output:

sand