TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair contradict each other. Generated sentences must be short, with less than 15 words. New information can be introduced. Avoid using pronouns to confuse the subject of the sentence.
PROBLEM: Sentence 1: A young boy in a white dress shirt is playing on a grassy plain. Sentence 2: A young person in a white dress shirt is playing on a grassy plain.

SOLUTION: A young girl in a white dress shirt is playing on a grassy plain.

PROBLEM: Sentence 1: A young man sits on a chair with one shoe off. Sentence 2: Someone has taken a shoe off.

SOLUTION: Everyone is wearing two shoes.

PROBLEM: Sentence 1: Three friends run on racetrack holding hands. Sentence 2: Three friends run on a track.

SOLUTION:
Three freinds sit next to the track.