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.

Example Input: Sentence 1: a suitland quarterback is running with the football Sentence 2: A Quarterback runs in for a touchdown.
Example Output: Quarterback runs backwards.

Example Input: Sentence 1: A young asian boy enjoys his toy. Sentence 2: A young boy is happy with his new toy.
Example Output: A young boy is playing.

Example Input: Sentence 1: A man with dreadlocks, wearing a mask and a tribal costume, dancing on a street. Sentence 2: A man is performing for tips.
Example Output:
A man is dancing.