You are given a sentence, a question and two answer options. Your task is to write down the index ('A' or 'B') of the **incorrect** option for the given question.

Sentence: A speed boat and a cruise ship race to the other port out at sea. Question: Which boat or ship gets out in front first? (A) Speed Boat (B) Cruise Ship
B

Sentence: The tire of a unicycle heats up more when ridden through the street compared to when it is ridden through the road. Question: Which surface will let the unicycle go a greater distance? (A) road (B) street
B

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

B