10 UMLClass 490 50 160 90 STUDENT -- s# ID1 first-name last-name dob bg=#dddddd UMLClass 340 240 200 60 POSTGRADUATE-STUDENT -- s# ID1 thesis bg=#dddddd UMLClass 590 240 200 60 UNDERGRADUATE-STUDENT -- s# ID1 project bg=#dddddd Relation 630 130 150 130 lt=- m1=1 m2=1 Has property v 10.0;10.0;10.0;110.0 Relation 490 130 150 130 lt=- m1=1 m2=1 Has property v 10.0;10.0;10.0;110.0