10 UMLClass 70 20 140 80 BUILDING -- bldg# ID1 name height bg=#dddddd UMLClass 370 20 190 80 ROOM -- bldg# ID1 FK1 room# ID1 area bg=#dddddd Relation 200 40 190 50 lt=- m1= r1= m2=1..* Has > 10.0;20.0;170.0;20.0