TASK DEFINITION: In this task, you're given a pair of sentences, sentence 1 and sentence 2, that neither agree with nor contradict each other. Your job is to alter sentence 2 so that the pair clearly 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 and woman are traveling on a moped on a brick lined street. Sentence 2: A couple is on their way to the beach.

SOLUTION: Two people are traveling.

PROBLEM: Sentence 1: A brown dog is laying on its back on the grass with a ball in its mouth. Sentence 2: The dog is playful.

SOLUTION: A dog is on the grass with his toy.

PROBLEM: Sentence 1: 3 men on stage wearing black shirts, one with long hair is playing the trumpet. Sentence 2: 3 sad men on stage wearing black shirts, one with long hair is playing the trumpet.

SOLUTION:
3 people on stage wearing black shirts, one with long hair is playing the trumpet.