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 red helmet rollerblades near the beach with two dogs on a leash. Sentence 2: There are rollerbladers on the beach.

SOLUTION: A jogger is running with his two dogs.

PROBLEM: Sentence 1: Two young girls wearing hijabs stand in a dirt courtyard, one has her arms folded and looks away the other is staring into the camera with her hands on her hips. Sentence 2: Two young girls are standing outside.

SOLUTION: The two young girls are actually men in hijabs.

PROBLEM: Sentence 1: A woman running past a couple of people sitting down for lunch. Sentence 2: A person is running, other people are sitting.

SOLUTION:
A woman is skipping past some people who are smoking.