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: Two men and one woman dressed in suits and ties holding musical gear. Sentence 2: Some people who were dressed up are holding something.

SOLUTION: 10 people are playing tennis

PROBLEM: Sentence 1: A man is helping another man after a fall on the street. Sentence 2: The man is behind a good samaritan by helping another man.

SOLUTION: The man never fell.

PROBLEM: Sentence 1: A girl hanging upside down on a rope over a grassy lawn above a city. Sentence 2: The girl is hanging upside down.

SOLUTION:
The girl is standing by the rope.