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.

[Q]: Sentence 1: A biker in uniform suspended in air in front of a crowd of people. Sentence 2: A biker is wearing a police uniform.
[A]: A human is suspended in air.


[Q]: Sentence 1: Two men wearing hats are standing on the path beside a brick building. Sentence 2: Two men know each other.
[A]: Two men with hats are standing outside.


[Q]: Sentence 1: A man driving a cart with an advertisement asking you to place your ad on the back of his bike. Sentence 2: The man is advertising Google.
[A]:
The man is riding his bike.