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 guy wearing a black shirt and a red hat riding his skateboard. Sentence 2: A guy is riding a skateboard.
[A]: A guy is riding a scooter.


[Q]: Sentence 1: A gray "labradoodle" jumps over another large dog. Sentence 2: A "labradoodle" jumps over another large dog.
[A]: A blue "labradoodle" jumps over another large dog.


[Q]: Sentence 1: The man is performing a trick with an orange bicycle. Sentence 2: A man is using a bicycle.
[A]:
A bicycle is chained to a fence.