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 man stands on a sidewalk between a newspaper dispenser and a trashcan, with a bus in the background. Sentence 2: A man stands ouside

SOLUTION: A young man stands on the roof of a skyscraper

PROBLEM: Sentence 1: A person's head is in the foreground while two women embrace in the background and look at the camera. Sentence 2: Two women hug.

SOLUTION: Two men dance in front of a camera.

PROBLEM: Sentence 1: A guy is sitting by a tree watching a girl sing with a blue bucket in front of her. Sentence 2: 2 people are by a tree

SOLUTION:
two dogs are singing by a tree