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'.

[EX Q]: Sentence: A piece of toast heats up less when slid across a counter then when slid across a cutting board. Question: Which is the rougher surface? (A) cutting board (B) counter
[EX A]: A

[EX Q]: Sentence: David and Michael are doing laps at the park. Question: If David is running and Michael is walking, who travelled a higher distance after ten minutes? (A) David (B) Michael.
[EX A]: A

[EX Q]: Sentence: Jenny was in the kitchen and accidentally knocked two cups off the counter. One was a pliable plastic cup and the other was a hard plastic cup. One of them cracked on the floor. Question: Which one cracked? (A) the pliable cup (B) the hard cup
[EX A]:
B