class Student { * -- * Course; position 68 52 109 42; position.association Course__Student 30,35 40,45; } class Course { position 176 199 109 42; } class Student { * -- * Course; } class Course { position 117 201 109 42; } class Student { position.association Course__Student 52,41 0,0; } class Student { * -- * Student roleName; } //$?[End_of_model]$? class Student { position 68 52 109 42; position.association Student__Student 42,45 0,20; } class Student { } class Mentor { * -- * Student; } //$?[End_of_model]$? class Student { position 328 83 109 45; } class Mentor { position 108 253 109 45; position.association Mentor__Student 75,0 30,45; } class Student { * -- * Course; } class Student { position 68 52 109 42; position.association Course__Student 30,35 40,45; } class Course { position 176 199 109 42; } class Student { isA Mentor; * -- * Course; } class Mentor { } class Course { position 65 200 109 42; } class Mentor { position 177 81 109 41; } class Student { position 262 199 109 41; position.association Course__Student 25,0 97,0; }