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.

Example Input: Sentence 1: A man in a jacket and mask stands behind a series of wires next to a flag. Sentence 2: The man is by a flag.
Example Output: The man is naked.

Example Input: Sentence 1: A construction worker leaning against a post. Sentence 2: A construction worker is not currently working.
Example Output: A construction worker is diligently hammering some nails.

Example Input: Sentence 1: Two females dance together in front of a band and a banner which says "Live in Concert." Sentence 2: Two women are dancing with a band.
Example Output:
A game of water polo is taking place.