Please answer the following question by reasoning step-by-step.
Choose the sentence that goes against common sense.\nOptions:\n- Sentence A: "Mineral water is drinkable"\n- Sentence B: "waste water is drinkable"\n

Sentence B
Waste water is considered not potable, in other words not suitable for drinking, or using to clean, wash or perform daily hygienic tasks with.

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Final answer: Sentence B