$2.(15$ pts$]$ UML Class diagram. Consider a Quiz Management System $($QMS$)$ that administers quizzes to students, automatically grades student responses to quizzes, and generates reports of quiz results. A quiz consists of questions. There are different types of questions, including essay questions, multiple$-$choice questions, and true false questions. Quizzes have an answer key that is provided by the instructor. Students take quizzes on the system, and make a submission with their quiz answers when they are finished. The system grades submissions against the answer key, and records a grade for each student. $($NOTE: Student information is obtained from an external student database, which you need not worry about designing.$)$ The primary system class will be called QMS for Quiz Management System.Draw a UML diagram that shows the classes QMS$,$ Quiz, Question, EssayQuestion, MultipleChoiceQuestion, True FalseQuestion, Student, Answerkey, and Submission. Your diagram must show appropriate relationships $($with labels$)$ and multiplicities. Include instance data and methods in your classes, but only enough to cover the description above. please draw a UML class diagram for this problem