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: Three men in a fishing boat on a river in Africa. Sentence 2: fishing boat on africian river

SOLUTION: three men swimming in river

PROBLEM: Sentence 1: A closeup of a little girl laughing. Sentence 2: Portrait of a happy young girl.

SOLUTION: A man buying balloons from a street vendor.

PROBLEM: Sentence 1: A dog is about to get a ball that is on orange carpet. Sentence 2: The dog is after a ball.

SOLUTION:
The dog is chasing a squirrel.