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 door in a tall concrete wall Sentence 2: A door in a wall of at stone building.

Answer: A door in a wall.


Question: Sentence 1: An artist wearing a red and black sweater painting a mural on the side of a brick building. Sentence 2: Artist restoring an old painting on the side of a building.

Answer: Artist working on a mural outdoors.


Question: Sentence 1: A young boy sits while eating. Sentence 2: A boy is eating dinner.

Answer:
A boy sits while eating.