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.

[EX Q]: Sentence 1: two kids playing on the beach, close to the water Sentence 2: Two kids building sand castles.
[EX A]: Two kids ouside.

[EX Q]: Sentence 1: A man works on the rear tire of a bike while a baby looks on from behind the bike. Sentence 2: A man fixes a flat on a mountain bike path.
[EX A]: A man repairs a bicycle tire.

[EX Q]: Sentence 1: A man with a green star balloon standing to the side of the door of an ancient looking building Sentence 2: A man is outside a building built thousands of years ago.
[EX A]:
A man stands by a building.