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: A picture frame sliding across a dresser makes it heat up less then one sliding across a floor. Question: Which surface will the picture frame move the slowest on? (A) dresser (B) floor

A: B
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Q: Sentence: A group of kids are at a music festival. They are in the campground. They can hear one band to the left playing rock and another band ahead of them playing hip hop. They can hear the rock band a lot more clearly. Question: Which band is closer? (A) the rock band (B) the hip hop band

A: A
****
Q: Sentence: A black hole is smaller in size than the sun. Question: Which will have the strongest gravity? (A) Sun (B) Black hole

A:
B
****