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 group of ladies walk down a busy sidewalk. Sentence 2: A group of people walk on a sidewalk.
Example Output: A group of women lead a riot.

Example Input: Sentence 1: Three guys, one playing the guitar, one playing the keyboard accordion and one playing the violin. Sentence 2: Three people are playing musical instruments.
Example Output: All three guys are playing guitars.

Example Input: Sentence 1: There is a lady with glasses and wearing a black shirt and she is also playing a video game. Sentence 2: A lady plays video games.
Example Output:
A glasses lady stands outdoors in idleness.