Please answer the following question by reasoning step-by-step.
Where might you need to visit a registry office before entering?\nOptions:\n- city\n- court house\n- chapel\n- town\n- office building

office building
Before a building is purchased, its registry is compulsory.

So, before entering into building, it is to be entered in your name in the records hence you need to visit registry office firstly.

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The final answer: office building