You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.

Example Input: Sentence: A golf ball has a smaller mass then a baseball. Question: Which item has a weaker gravitational field? (A) golf ball (B) baseball
Example Output: golf ball

Example Input: Sentence: Milo knows that a frozen lake is smoother than a grass field. This means that when he slides his paper plane across one of the two surfaces it will experience less friction. Question: Which surface is that? (A) frozen lake (B) grass field
Example Output: frozen lake

Example Input: Sentence: When Jimbo bent a fresh reed is flexed nice and easy, but when he bent a dry reed it felt very brittle. Question: Which reed would be more likely to break? (A) dry reed (B) fresh reed
Example Output:
dry reed