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'.

Sentence: A tank driving over a battlefield experiences greater resistance then one rolling around in a hanger. Question: Which surface offers a less bumpy ride for the tank? (A) battlefield (B) hanger
B

Sentence: A boomerang thrown into a windy sky heats up quite a bit, but one thrown into a calm sky stays about the same temperature. Question: Which surface puts the least amount of friction on the boomerang? (A) windy sky (B) calm sky
B

Sentence: Jim ran over a nail on his bicycle and got a flat tire. David ran over the same nail in his car and his tire didn't get flat. Question: Why did Jim get a flat tire but David did not? (A) Jim weights more than David (B) Jim's tire was thinner

B