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'.

Sentence: Roy is trying to figure out which type of hockey field will allow him to make the longest hockey slapshot with his hockey puck. The roller hockey field is rough and made of asphalt while the ice hockey field is smooth and made of ice. Question: Which field will let him make a longer slapshot? (A) roller hockey (B) ice hockey
B

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

Sentence: A shopping cart rolls by itself across a parking lot. Then it gets to a field. The cart rolls only a little more after it enters the field. Question: Why does this happen? (A) the parking lot is a rougher surface (B) the field is a rougher surface

B