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'.
--------
Question: Sentence: Bryan enjoys playing basketball with his young daughter. After shooting some hoops, they sit down and roll the ball to each other. Sometimes Bryan takes her to his college gym and sometimes he goes to the courts at the park around the corner from his home. He notices that when they play roll-the-ball, the ball goes faster on the wooden gym floor than on the concrete basketball court at the park. Question: Which surface has more friction? (A) the wooden gym floor (B) the concrete

Answer: B


Question: Sentence: Neptune has a greater mass then Pluto. Question: Which planet emits stronger gravitational waves? (A) Neptune (B) Pluto

Answer: A


Question: Sentence: A hollow cannonball and a solid cannonball made of the same material and diameter are shot with the same force from a cannon. Question: Which ball will have a lower acceleration? (A) Hollow cannonball (B) Solid cannonball

Answer:
B