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 in a blue coat is holding a sandwich. Sentence 2: The man is about to eat his sandwich.
Example Output: The man has food to keep him from starving.

Example Input: Sentence 1: 2 people that look like army men are using a gun. Sentence 2: There are two men but only one of them has a gun.
Example Output: There are men with guns.

Example Input: Sentence 1: Three young girls are standing on three balance beams in a gym. Sentence 2: Girls are practicing for a competition.
Example Output:
Three young girls practice on balance beams.