8. Consider the following relation schema STUDENT(studentID, SFname, SLname, CourseID, CourseName, OfferDept, OfferDeptTel, Grade) SFname and SLname refer to the student's first and last name respectively, Offer Dept refers to the department that offers the course, and OfferDeptTel refers to the offering department telephone number. Suppose the following functional dependencies exist: studentIDSFname , SLname studentID, Cou rseID Grade CourseID CourseName, OfferDept OfferDept OfferDeptTel Please answer the following questions: (1) Give two superkeys of the schema (4pt) Superkey 1: Superkey 2: (2) Is the relation in INF? (1pt) (3) Is the relation in 2NF? (Ipt)