Read and draw a plan of this small school. the gym is opposite the science lab and it is between the changing room and the janitors room.the computer room is opposite the staff room.the headmasters office is between the canteen and the staff room.the lockers are opposite the canteen.thethe library is between the computer room and the science lab.the are changing rooms opposite the library.and there is one more classroom.it is the music classroom.where is it.