instruction:
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'.
question:
Sentence: Ada was playing kickball. She kicked a ball into the gravel and noticed it was warm when she picked it up. She kicked it again onto a grassy hill, but this time the ball wasn't very hot when she retrieved it. Question: In which surface did the ball travel the most? (A) gravel (B) grassy hill
answer:
B


question:
Sentence: Tim has to push an ice sculpture across the ballroom in order to get his restaurant ready for a wedding. He notices that it is easier to push the sculpture when he moves it across the polished ballroom floor than when he moves it across the rough cobblestone floor. Question: If Tim is trying to keep the ice sculpture from melting, which surface should he push it across in order to produce less heat? (A) ballroom floor (B) cobblestone floor
answer:
A


question:
Sentence: Jim wears a thick Kevlar vest. Jack is just wearing a cotton shirt. Question: Which top would stop a bullet? (A) Kevlar (B) Cotton
answer:

A