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 flatbed truck has a really rough time driving over a landfill and a rather easy time driving over a parking lot. Question: Which surface will let the flatbed truck travel a greater distance? (A) landfill (B) parking lot
[EX A]: B

[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: A falcon and a bear both cross a giant field at full speed. Question: Which animal crosses the field first? (A) Falcon (B) Bear
[EX A]:
A