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.

Input: Consider Input: Sentence: A salmon swimming through a river experiences low friction, while a salmon swimming through a creek experiences high friction. Question: Which river causes the temperature of the salmon to increase more? (A) river (B) creek

Output: creek


Input: Consider 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

Output: frozen lake


Input: Consider Input: Sentence: Jack is rubbing his hands together for warmth but it isn't working very well. He puts a leather glove on one hand and leaves the other bare and rubs them together again and gets more heat but notices that it takes more effort to move his hand further along the surface. Question: Which surface has more friction? (A) HAND (B) LEATHER GLOVE


Output: LEATHER GLOVE