TASK DEFINITION: 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).
PROBLEM: Sentence: Greg and Hank each plan a cross country journey. Greg takes a car. Hank wants to walk cross country. Question: Who crosses the country first? (A) Greg (B) Hank

SOLUTION: Hank

PROBLEM: Sentence: John accidentally knocks over two water cups on the table. One is made of glass the other is made of rubber. Question: Which one will break? (A) Rubber Cup (B) Glass Cup

SOLUTION: Rubber Cup

PROBLEM: Sentence: An astronomer was studying the properties of some stars. She saw that one was a neutron star that was so densely packed with material that it had a far larger mass than an ordinary star that she was also observing. Question: Which of these stars would she expect to have a greater gravitational force? (A) neutron star (B) ordinary star

SOLUTION:
ordinary star