10 UMLClass 180 50 150 90 CHAIRMAN -- emp# ID1 first-name last-name dob bg=#dddddd UMLClass 480 50 140 80 SCHOOL -- name ID1 faculty budget bg=#dddddd Relation 320 70 180 50 lt=- m1=0..1 r1= m2= Is-head-of > 10.0;20.0;160.0;20.0