Well, which one?
"Let's visit the sound room first!" you tell your friends.
They reply saying, "O.K. we better get moving. We are on the
first floor when the sound room is on the... the.."
"You don't know where the sound room is, do you?" you ask.
"No we don't!" they say.
You tell them,"We must find the sound room!"
You can visit the basement, the second floor, the thrid floor, the
fouth floor, the fith floor, or the sixth floor.