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: John and Jane start playing basketball together, but Jane only plays for half as long as John. Question: If both John and Jane are equally athletic, who will have more sweat on their body? (A) John (B) Jane
[A]: A

[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]: A

[Q]: Sentence: Bobby's grandparents have given him a box full of toys. They tell him to come pick the toys up in his wagon and pull the wagon home. The empty wagon is very light to Bobby, but once he puts the toys in it, he notices that it feels very weighed down. Question: In which situation will Bobby have more trouble getting the wagon to reach a quick speed from a stopped position? (A) when the wagon is empty (B) when the wagon is filled up with toys.
[A]:
B