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 brown dog is jumping up at a woman in a black coat. Sentence 2: A woman is playing with her dog.
Example Output: A dog is interacting with its owner.

Example Input: Sentence 1: A woman making several beaded necklaces. Sentence 2: A lady makes necklaces to sell online.
Example Output: Someone is making jewelry.

Example Input: Sentence 1: A yellow bulldozer machine in a rocky field. Sentence 2: The bulldozer is moving rocks.
Example Output:
The bulldozer is outside.