10 UMLClass 70 10 130 80 BUILDING -- bldg# ID1 name height bg=#dddddd UMLClass 380 30 100 50 ROOM -- area bg=#dddddd UMLClass 200 40 60 30 room# bg=#dddddd Relation 250 30 150 50 lt=- m1= r1= m2=0..1 Has > 10.0;20.0;130.0;20.0