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 side view picture of 3 band members on stage performing with lead singer in the foreground. Sentence 2: band has a big concert

SOLUTION: 4 band members perform on stage

PROBLEM: Sentence 1: Guy with a mohawk cutting meat. Sentence 2: A guy with a blue mohawk is cutting beef.

SOLUTION: A guy has a mohawk cutting meat.

PROBLEM: Sentence 1: The woman is holding a mug, and has sunglasses on the top of her head. Sentence 2: A woman, who is holding a blue mug, has some red sunglasses on top of her head.

SOLUTION:
A lady with sunglasses on top of her head is holding a mug.