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 person standing on a stage in front of a seated crowd Sentence 2: Someone is performing for others.
Example Output: Someone is standing on stage in front of a crowd.

Example Input: Sentence 1: A woman sitting and contemplating while sitting on a rock near a mountain. Sentence 2: A lady is sitting and wondering how to get down the mountain.
Example Output: A lady is sitting and thinking on top of a stone on a mountain.

Example Input: Sentence 1: A black and a brown dog are walking through the woods. Sentence 2: The family dogs are out playing on the property their owners own.
Example Output:
Two dogs walking together.