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: Two laughing women sit at a table with drinks. Sentence 2: Two women are laughing at the waiter bringing their drinks.
Example Output: Two women are enjoying themselves.

Example Input: Sentence 1: Riders waiting to get on the train. Sentence 2: People are waiting to get on a train to start their vacation travel.
Example Output: People wait to board the train.

Example Input: Sentence 1: A teenager in a red shirt is skating on a skateboard at a skate park. Sentence 2: A young kid is trying to freshen up on his skateboarding skills.
Example Output:
A teenager is outside.