10 UMLClass 40 30 160 100 BUILDING -- bnumber ID name floors type bg=#dddddd UMLClass 440 50 160 70 ROOM -- area type bg=#dddddd Relation 290 60 170 50 lt=- m1= r1= m2=0..1 Contains > 10.0;20.0;150.0;20.0 UMLClass 200 60 100 40 room number bg=#dddddd