instruction:
You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).
question:
Sentence: Steve is waiting at the gym for his brother's basketball practice to end. He starts hitting around a hockey puck with his stick. The gym has a carpeted floor and more friction than the ice rink he goes to. Question: Which surface is rougher? (A) carpet (B) ice rink
answer:
ice rink


question:
Sentence: Major Tom, an astronaut, used to jump up and down on Earth, and he never got higher than a meter in the air.  When his ship landed on Ceres, he jumped up and kept going and going higher and higher. Question: Why? (A) Earth has greater mass (B) Ceres has greater mass
answer:
Ceres has greater mass


question:
Sentence: Jim is a young boy who loves camping with his father. They often throw rocks into the river. Question: Who can throw the rocks the furthest? (A) Jim's Father (B) Jim
answer:

Jim