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.
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Question: Sentence 1: A young man rides a bike while carrying a shovel as he passes a woman with a basket. Sentence 2: A young mad rides a blue bike.

Answer: A young man rides a bike.


Question: Sentence 1: Two children wearing a uniform of pink shirts and blue pants are standing in a grassy field at an event. Sentence 2: Two children are friends

Answer: Two children are standing at an event


Question: Sentence 1: A man is on top of a yellow billboard while another man is underneath it. Sentence 2: Someone is painting over a billboard.

Answer:
Two men are outside.