Instructions: You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).
Input: Sentence: A tank driving over a battlefield experiences greater resistance then one rolling around in a hanger. Question: Which surface offers a less bumpy ride for the tank? (A) battlefield (B) hanger
Output:
battlefield