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.
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Question: Sentence 1: A little boy is riding a dirt bike with the number seven on it going down a hill. Sentence 2: A little boy is going downhill.

Answer: A little boy is driving a car.


Question: Sentence 1: A girl wearing a pink and black shirt and jeans fixes her hair before walking up the stairs. Sentence 2: A girl is wearing a shirt.

Answer: A girl is bald.


Question: Sentence 1: Father and son smiling in the bed. Sentence 2: Two people are smiling.

Answer:
A father and son are smiling while watching TV on the couch.