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 black dog runs through the dry grass. Sentence 2: The animal is indoors.
Example Output: The animal is running.

Example Input: Sentence 1: A man wearing black and yellow shorts is standing on a wooden pole with his arms outstretched and his shirt pulled over his face. Sentence 2: Someone is climbing a pole.
Example Output: Someone is outside.

Example Input: Sentence 1: A woman hanging a star on a Christmas tree. Sentence 2: a woman hanging valuable ornaments on the tree
Example Output:
a woman hanging ornaments on the tree