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: People are standing outside of a building. Sentence 2: The building had people near it.

SOLUTION: The people were all in the courtroom.

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: A dirt bike racer jumping off a hill with another racer not far behind. Sentence 2: The person on the motorcycle is jumping in the air.

SOLUTION:
The dirt bikers are stuck in the mud.