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: A man in red pushes his motocross bike up a rock. Sentence 2: A man in a red shirt has trouble pushing his bike.

SOLUTION: A man wearing red with a bike.

PROBLEM: Sentence 1: Two kids play hockey on a pond. Sentence 2: Some kids are playing hockey on the breakable ise.

SOLUTION: There are kids playing hockey on the pond.

PROBLEM: Sentence 1: two guys fighting at a renaissance fair. Sentence 2: Two people are reenacting a scene.

SOLUTION:
People are fighting.