TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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: Interracial couple looks at each other wearing biking helmets Sentence 2: The interracial couple check out their new biking helmets they bought.

SOLUTION: A couple of humans look at each other.

PROBLEM: Sentence 1: A crowd of people look through clothes and books that are laid out in a large atrium. Sentence 2: A crowd of people at a yard sale.

SOLUTION: A crowd of people looking through items.

PROBLEM: Sentence 1: A man in a green shirt and red life jacket is sitting in a canoe drifting around the lake. Sentence 2: A man is fishing in the lake.

SOLUTION:
A man is wearing a green shirt.