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'.

Example Input: Sentence: Pet food sliding across a shiny floor has low resistance, while pet food sliding across a matte floor has high resistance. Question: Which floor will allow the top speed of the pet food to reach a higher level? (A) matte floor (B) shiny floor
Example Output: B

Example Input: Sentence: A cannon and a rifle each shoot a cannonball and a bullet towards the target. Question: Which projectile would be slower? (A) Bullet (B) Cannonball
Example Output: B

Example Input: Sentence: A monkey in a tree reaches out and bends a small branch and it breaks. Then he grabs another branch and tries to break it but it just bends. Question: What is true? (A) the first branch was more flexible (B) the second branch was more flexible
Example Output:
B