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 man, woman, and child share a moped bike. Sentence 2: A family on a bike.
Example Output: People riding a moped.

Example Input: Sentence 1: A boy is attempting to climb an iron fence. Sentence 2: A curious boy is trying to escape from the confines of his school's playground.
Example Output: A boy is in this photograph.

Example Input: Sentence 1: Two young girls are smiling at the camera. Sentence 2: Two young girls are smiling at a theme park.
Example Output:
Two young girls are smiling.