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 crowd surrounds a grounded hot air balloon. Sentence 2: Crowd watching someone fly away
[A]: Crowd gathering


[Q]: Sentence 1: A young girl in a costume on the ground, with a hula hoop next to her. Sentence 2: The girl is a performer.
[A]: The girl has a costume.


[Q]: Sentence 1: Two people in costumes are riding a bike. Sentence 2: The two people in costume started to yell while riding a bike.
[A]:
The two people in costmes are outside.