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: An elderly woman is reading a paper in an office. Sentence 2: An old lady is reading a paper.
Example Output: An old guy is jumping rope.

Example Input: Sentence 1: Two women are sharing an umbrella walking down the sidewalk. Sentence 2: they are outside
Example Output: they are on mars

Example Input: Sentence 1: A white racing dog wearing the number 8 is midstride running down a track. Sentence 2: A dog is running.
Example Output:
A dog is sitting on the beach.