I'll give you a question, please answer with step-by-step reasoning process.
Which of the following sentences is nonsensical?\nOptions:\n- Sentence A: "You might find a house stable in a manor house."\n- Sentence B: "You might find a horse stable in a manor house."\n

Sentence A
A house stable is not a real thing and it is not in a manor house.

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So, the final answer is Sentence A