Concrete and the calendar and an underfloor heating
Answer:
balcony
Explanation:
two meanings:
> a platform enclosed by a wall on the outside of a building, with access from an upper-floor window or door.
> the upstairs seats in a theater, concert hall, or auditorium.
They're probably looking for false, but to be honest, I use it in my writing sometimes. It depends on the setting and character, or it should be specified as slang in nonfiction writing.