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 black dog jumping over a yellow pole in an obstacle course Sentence 2: A dog jumping over an object.
Example Output: A cat is drinking milk.

Example Input: Sentence 1: A woman sings while people dance. Sentence 2: A woman is performing.
Example Output: A woman is pouring drinks.

Example Input: Sentence 1: A group of men are at a bar having drinks. Sentence 2: There are drinks being consumed at the bar.
Example Output:
The group of men were at the cemetery.