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).

Example Input: Sentence: A cutting board is put over a metal sink. Sarah cuts some vegetables on the cutting board. The cutting board slides around. She moves the cutting board onto a wet dish rag on the counter. Then she cuts more vegetables. The cutting board doesn't slide around. Question: Which one of these sticks to the cutting board more safely? (A) metal sink top (B) wet dish rag
Example Output: metal sink top

Example Input: Sentence: When Marky Mark's earphones were on the desk, he could only faintly hear music coming from them, but when he put them on his ears, he could clearly hear the music. Question: When were the earphones nearer to him? (A) when they were on the desk (B) when they were on his ears
Example Output: when they were on the desk

Example Input: Sentence: A pebble sinks smoothly into a pond, but not into an ocean. Question: Which surface will the pebble plunge deeper into? (A) pond (B) ocean
Example Output:
ocean