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 person in a purple dress, black hat, and pink scarf runs on a road. Sentence 2: A person is running on the road.

SOLUTION: A woman wearing jeans skips down the road.

PROBLEM: Sentence 1: A little boy squats while playing with a yellow plastic shovel. Sentence 2: The little boy has a toy tool.

SOLUTION: a little boy is playing with his green metal shovel.

PROBLEM: Sentence 1: Two brown and black dogs are jumping a fence. Sentence 2: two dogs jumping

SOLUTION:
Three cats sunbathe on the deck.