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

Ex Input:
Sentence: A capybara can move a greater distance in water then on land. Question: Which surface is providing the smoother journey for the capybara?

Ex Output:
water


Ex Input:
Sentence: When Milo rubs his spatula over his aluminum pan it heats up less then when he rubs it over his iron pan. Question: Which pan does the spatula move faster over?

Ex Output:
aluminum pan


Ex Input:
Sentence: Greg and Hank each plan a cross country journey. Greg takes a car. Hank wants to walk cross country. Question: Who crosses the country first?

Ex Output:

Greg