10 UMLClass 340 0 100 90 STUDENT -- s# ID1 first-name last-name dob bg=#dddddd UMLClass 160 160 200 50 UNDERGRADUATE-STUDENT -- project-title bg=#dddddd UMLClass 410 160 190 50 POSTGRADUATE-STUDENT -- thesis-title bg=#dddddd Relation 250 80 150 100 lt=<<- bg=#dddddd 130.0;10.0;10.0;80.0 Relation 390 80 150 100 lt=<<- bg=#dddddd 10.0;10.0;130.0;80.0