You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
--------
Question: Sentence: The old bookcase held all of Ted's heavy textbooks with no problem, but the stylish new shelves his wife bought when she remodeled the house snapped under the weight in a day. Question: Which bookshelf was made of thinner wood? (A) The new bookshelf had thinner wood (B) The old bookshelf had thinner wood

Answer: The new bookshelf had thinner wood


Question: Sentence: A slice of bread can slide a greater distance across a serving plate then across a floor. Question: Which surface provides more friction to the slice of bread? (A) serving plate (B) floor

Answer: floor


Question: 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

Answer:
neutron star