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 man in a black shirt and gray hat gives the thumbs up to a crowd with one hand, while holding a microphone in the other. Sentence 2: a man gives a thumbs up

SOLUTION: a loan man on a horse

PROBLEM: Sentence 1: A girl in a plaid shirt is jumping in front of a bench. Sentence 2: A girl jumps in front of a bench.

SOLUTION: A girl jumps off the high dive.

PROBLEM: Sentence 1: A boy is jumping off the side of a running stone water fountain in front of a building. Sentence 2: There is a fountain.

SOLUTION:
The boy is at a lake.