Instructions: You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.
Input: Sentence: The enormous tractor trailer belched smoke as it waited at the stoplight next to a sleek, low, and light Italian model sports car. Question: When the stoplight finally turned green, which vehicle would likely take off more speedily? (A) The tractor trailer would (B) The sports car would
Output:
B