TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that agree with each other. Your job is to alter sentence 2 so that the pair 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 woman in a red apron and black shirt holds her hand up and different types of bread are in the background. Sentence 2: The woman is wearing red.

SOLUTION: The woman is sleeping.

PROBLEM: Sentence 1: A bearded man wearing a painter's cap is playing the xylophone on the side of a busy walkway. Sentence 2: New Orleans street performer

SOLUTION: A man is clean shaven.

PROBLEM: Sentence 1: There is a tan dog in the middle of a field, fetching a tennis ball. Sentence 2: The dog is playing fetch.

SOLUTION:
The dog is attacking his owner.