You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Input: Consider Input: Sentence: A glider moves at a lower rate of speed through the treetops then through the air. Question: Which surface is smoother? (A) treetops (B) air

Output: A


Input: Consider Input: Sentence: A segway can travel a much greater distance inside a shopping mall before needing a recharge then when it is cruising around outside on the street. Question: Which surface is rougher? (A) shopping mall (B) street

Output: A


Input: Consider Input: Sentence: A steel car weighs more then an aluminum car. Question: If both are racing, which will take longer to get up to top speed? (A) aluminum car (B) steel car


Output: A