You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct option for the given question. Write down the answer index: 'A' or 'B'.

Q: Sentence: Mercury is less massive than Mars. Question: Which one has the weaker gravitational force? (A) Mars (B) Mercury

A: B
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Q: Sentence: Mary needs to put a piece of plywood between her bed frame and her mattress.  Her 2 children like to jump on the bed in the morning. Question: Which piece of plywood would be more likely to break when jumped on? (A) the 1/2 plywood slab or (B) the 1 plywood slab?

A: A
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Q: Sentence: Two robins were flying south at the same velocity. The male robin stopped to rest on a tree after 2 miles and the female kept going and didn't stop to rest for another half a mile. Question: Which robin covered more distance? (A) the male (B) the female

A:
B
****