instruction:
You are given a sentence, a question and two answer options ('A' and 'B'). Your task is to find the **incorrect** answer (return the string of the incorrect option, not A/B).
question:
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
answer:
gravel driveway

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:
Pickup Truck

question:
Sentence: Mike and Sue decide to ride their bikes around the park. They follow the same path but Mike rides his bike twice as fast as Sue. Question: After ten minutes, who will have covered less distance? (A) Mike (B) Sue
answer:
Mike