You are given a sentence and a question. You're expected to write the correct answer based on the sentence.

Input: Consider Input: 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?

Output: neutron star

Input: Consider Input: Sentence: Tony is taking a trip to Florida. He goes by plane and returns by bus. Question: What trip took less time?

Output: the trip to Florida

Input: Consider Input: Sentence: A toilet paper roll sliding along a living room floor gets hotter then one sliding across a bathroom floor. Question: Which surface has the most friction?
Output: living room floor