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 man in a jacket and mask stands behind a series of wires next to a flag. Sentence 2: The man is by a flag.

SOLUTION: The man is naked.

PROBLEM: Sentence 1: A group of young men is buried up to their chest in sand. Sentence 2: A group of guys buried in the sand.

SOLUTION: A group of young men swim in the ocean.

PROBLEM: Sentence 1: A mechanic is taking some job instructions. Sentence 2: A mechanic is taking instructions.

SOLUTION:
A mechanic is relaxing on the job.