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 woman in a black shirt is holding a picture of another person. Sentence 2: A person holds a photo.
Example Output: A woman in a black shirt is holding a for sale sign.

Example Input: Sentence 1: Two white guys are playing video games in their dorm. Sentence 2: Two guys playing games at college.
Example Output: The two black guys are playing video games at a store.

Example Input: Sentence 1: A little girl climbing a rock wall. Sentence 2: A little girl is elevating.
Example Output:
A little girl is lying on the ground.