I'll give you a question, please answer with step-by-step reasoning process. There are laws concerning safety, therefore a fire extinguisher must be kept in every what?\nOptions:\n- most businesses\n- house\n- public building\n- vehicle\n- chemistry lab

User
Public building is open for all public so its not safe always. As per laws for safety a fire extinguisher must be kept in every public building.
The answer: public building.
Assistant