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 a black jacket holds a microphone up to a girl's face. Sentence 2: The man is hosting a show.

SOLUTION: The man is wearing a jacket.

PROBLEM: Sentence 1: Three males are sitting on a sofa with beers on a table in front of them. Sentence 2: Three guys on a sofa are watching TV.

SOLUTION: Three men are socializing.

PROBLEM: Sentence 1: A dog jumps in midair to catch a Frisbee. Sentence 2: The dog is outside.

SOLUTION:
Someone threw a Frisbee to the dog.