If I want more light sources while I am awake at night, where should I install them?\nOptions:\n- lamp\n- sky\n- house\n- dig in the garden\n- candle
A step-by-step solution is:
house
House is to go to the place where one lives permanently, especially as a member of a family or household.

If I want more light sources while I am awake at night, I should install them in a house.

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The answer is house