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: Two guys barbecuing, one in blue shirt bending down, while the other in black shorts stands facing his back to the camera. Sentence 2: Dinner is being prepared by the two brothers.

SOLUTION: Two men are barbecuing.

PROBLEM: Sentence 1: A man in a leather jacket is sitting on a fence by the beach. Sentence 2: A man is by himself.

SOLUTION: A man is wearing a jacket.

PROBLEM: Sentence 1: The racing dog has a muzzle and is wearing striped jersey# 8. Sentence 2: The dogs are racing

SOLUTION:
The dog has a muzzle