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: Pedestrians interact with street artists. Sentence 2: Street artists are interacting with pedestrians.

SOLUTION: The street artists do not acknowledge the pedestrians

PROBLEM: Sentence 1: Asian men waiting in line many with earphones in their ears. Sentence 2: The Asian men are standing together.

SOLUTION: The Asian Men are sitting at a table.

PROBLEM: Sentence 1: A guy playing in the water fountain with a few other people. Sentence 2: The person is running around in a fountain playing.

SOLUTION:
The guy is looking at the fountain while other people play in it.