instruction:
You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the correct answer (return the string of the correct option, not 'A' or 'B') for the given question.
question:
Sentence: A tortoise isn't as fast as a turtle. Question: Which animal will take a longer time to reach the sea if both are walking across the beach? (A) tortoise (B) turtle
answer:
tortoise


question:
Sentence: Mark has offered to tow his friends truck which has broken down. It is very heavy, which is causing delay in speeding up. Question: This truck must be which? (A) Pickup Truck (B) King Cab Truck
answer:
King Cab Truck


question:
Sentence: Sam is skating outside. He glides across the dirt with no problem, but falls when he skates on gravel. Question: Which ground has less friction? (A) dirt (B) gravel
answer:

dirt