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 singer is performing in costume during a show. Sentence 2: A singer wearing a costume
Example Output: A group of people putting on a play

Example Input: Sentence 1: Man in blue jack, sleeping or passed out on a red public bench. Sentence 2: Person resting on a bench.
Example Output: Man in blue jack, sleeping or passed out on a brown public bench.

Example Input: Sentence 1: a young girl standing behind a star of David. Sentence 2: The star of David is a Jewish symbol.
Example Output:
The girl is eating a sandwich at Subway.