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).

Example Input: Sentence: Todd landed on Mercury as part of an historic mission. He saw that Mercury had a very small fraction of the mass of Earth. Question: On which planet will Todd feel less gravitational force? (A) Earth (B) Mercury
Example Output: Earth

Example Input: Sentence: A capybara can move a greater distance in water then on land. Question: Which surface is providing the smoother journey for the capybara? (A) water (B) land
Example Output: land

Example Input: Sentence: Yolanda was driving, and she turned onto a road that ran alongside some railroad tracks. A train was moving down the tracks, going in the same direction that she was. A few minutes later, the train had passed by her and she could only see the back of the train. Question: Which vehicle had a greater rate of speed? (A) the car (B) the train
Example Output:
the car