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: Janet is testing how much mass objects have. She is currently testing between a metal rod and a paper crane. She drops both from six feet in the air at the same time. Question: Which has stronger gravity? (A) metal rod (B) paper crane
[EX A]: A

[EX Q]: Sentence: Brock is dragging a toy behind him. He pulls it across the smooth tile floor, then on the gravel driveway outside. Question: Where is Brock able to drag the toy faster? (A) tile floor (B) gravel driveway
[EX A]: A

[EX Q]: Sentence: Two Amish couples are getting ready to leave the grocery store. They load their groceries into each one of their carts. Each cart has one horse pulling it and they are equally strong. Horse one has to carry 10 pounds more food than Horse 2. Question: Which one will be slower to accelerate? (A) horse one (B) horse 2
[EX A]:
A