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.

[EX Q]: Sentence 1: A group of ladies walk down a busy sidewalk. Sentence 2: A group of people walk on a sidewalk.
[EX A]: A group of women lead a riot.

[EX Q]: Sentence 1: Man wearing hat and glasses working on a bicycle. Sentence 2: A man is working on his bike.
[EX A]: A person is riding his bicycle on the street.

[EX Q]: Sentence 1: A man in a black t-shirt is tying the necktie of a man wearing a blue dress shirt. Sentence 2: A man is helping another man with his tie
[EX A]:
The man in the black shirt is wearing a sumo wrestling costume