instruction:
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.
question:
Sentence 1: A brown dog is laying on its back on the grass with a ball in its mouth. Sentence 2: The dog is playful.
answer:
A dog is on the grass with his toy.


question:
Sentence 1: A crowd of people look through clothes and books that are laid out in a large atrium. Sentence 2: A crowd of people at a yard sale.
answer:
A crowd of people looking through items.


question:
Sentence 1: A blond woman pedals a bicycle while carrying a chair on her shoulders. Sentence 2: A woman is on stage performing.
answer:

A woman riding a bike.