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: People are standing and sitting at round tables in a large room. Sentence 2: People gathered in a room.
Example Output: People boarding a bus.

Example Input: Sentence 1: Various people sitting and talking in a room. Sentence 2: there are variety of people giving presentation and doing discussions
Example Output: A girl catching a bus in the city.

Example Input: Sentence 1: A group of people prepare a meal in a small kitchen. Sentence 2: The group is making food in the kitchen.
Example Output:
A group of people are gathered outside.