Consider the following relations containing University Database student (sId, name, degree, year, gender, deptNo, advisor) department (deptId, name, hod, phone) professor (empId, name, gender, startYear, deptNo, phone) course (courseId, cname, credits, deptNo) enrollment (sId, courseId, sem, year, grade) teaching (empId, courseId, sem, year, classRoom) preRequisite (preReqCourse, courseID) Generate the tuple relational calculus expressions for the following queries: 1. Determine the departments that do not have any female student 2. Obtain the names of courses enrolled by student named Hasan 3. Get the names of students who have scored A in all subjects they have enrolled. Assume that every student is enrolled in at least one course. 4. Get the names of students who have taken at least one course taught by their advisor5. Determine the students who are enrolled for every course taught by Prof Ahmad. Assume that Prof Ahmad teaches at least one course.