The science lab is next to the toilets, and the workshop is opposite the toilets. The gym is opposite the science lab
and it is between the changing room and the workshop
room. The computer room is opposite the staff room. The
headmaster's office is between the canteen and the staff
room. The lockers are opposite the canteen. The library is
between the computer room and the science lab. There are
changing rooms opposite the library. And there is one more
classroom. It is the music classroom. Where is it?
It is