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.

[Q]: Sentence 1: A teenage boy is holding his skateboard. Sentence 2: A boy is posing with a skateboard.
[A]: A boy is posing with a bicycle.


[Q]: Sentence 1: A man in a suit walks in front of a colorful mural. Sentence 2: He is crossing a colorful mural
[A]: A man in a suit sitting in a chair


[Q]: Sentence 1: A man texts on his cellphone while walking his dog in a picturesque background. Sentence 2: A man walks his dog while texting.
[A]:
A man and his dog swim across a river.