10 UMLClass 40 40 150 90 STUDENT -- s# ID1 first-name last-name dob bg=#dddddd UMLClass 680 50 140 80 SUBJECT -- code ID1 title credits bg=#dddddd UMLClass 370 70 100 50 ENROLMENT -- edate bg=#dddddd UMLClass 190 80 60 30 code bg=#dddddd Relation 240 70 150 50 lt=- m1= r1= m2=0..1 Performs > 10.0;20.0;130.0;20.0 UMLClass 630 80 50 30 s# bg=#dddddd Relation 460 70 190 50 lt=- m1=0..1 m2= < Is-involed-in 10.0;20.0;170.0;20.0