Detailed Instructions: 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).
Q: 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
A:
Ceres has greater mass