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: Lane is testing how strong gravity pulls on different objects. She drops a brick and a penny from a roof at the same time. Question: Which has larger mass and hits the ground first? (A) brick (B) penny

Answer: A


Question: Sentence: Sam is skating outside. He glides across the dirt with no problem, but falls when he skates on gravel. Question: Which ground has less friction? (A) dirt (B) gravel

Answer: A


Question: Sentence: Jimbo and James are both at the gym working out. Question: If Jimbo is lifting weights and James is stretching, which person is sweating more? (A) Jimbo (B) James

Answer:
A