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 crowd surrounds a grounded hot air balloon. Sentence 2: Crowd watching someone fly away

SOLUTION: Crowd gathering

PROBLEM: Sentence 1: A man in a public road workers uniform sprays water. Sentence 2: A man sprays water as to cool down the hot tar outside.

SOLUTION: There is a person outside.

PROBLEM: Sentence 1: Young kids gather in a street. Sentence 2: Young boys gather in a street.

SOLUTION:
Young people gather in a street.