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 Input:
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 Output:
A


Ex Input:
Sentence: Jimbo and Milo are working out together in the gym. Jimbo is browsing the internet on his phone while Milo is lifting weights. Question: Which person is sweating less? (A) Jimbo (B) Milo

Ex Output:
A


Ex Input:
Sentence: Jeff is walking through the park.  Betty is running on the same path. Question: After an hour, who has gone farther? (A) Jeff (B) Betty

Ex Output:

B