10 UMLClass 290 100 130 80 EMPLOYEE -- e# ID fname lname bg=#dddddd UMLClass 670 110 150 50 HIRE -- when-hired ID bg=#dddddd Relation 410 110 280 50 lt=- m1=1..* r1= m2=1..* Is-hired > 10.0;20.0;260.0;20.0 Relation 530 120 30 100 lt=. 10.0;80.0;10.0;10.0 UMLClass 470 200 150 50 EH -- when-left[0..1] bg=#dddddd