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.

Q: Sentence: Danny is 5 years-old and Susan is 16. Their mom calls them inside for lunch. They both start running at the same time. Question: Who would get to lunch first? (A) Danny (B) Susan

A: Susan
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Q: Sentence: A speed boat and a row boat take off from a dock. The row boat is barely moving, while the speed boat zooms off at a quick pace. Each boat stops at the same time. Question: Which boat is closer to the dock it left from? (A) row boat (B) speed boat

A: row boat
****
Q: Sentence: A matchbox can slide across a greenhouse floor, but it doesn't move as fast as when it is slid across the backyard. Question: Which surface is the smoother one? (A) greenhouse floor (B) backyard

A:
greenhouse floor
****