For each of the following relations, indicate the normal form of the relation. Put each relation in the 3NF.
a. COURSE (course_id, lab_id, equipment_type), primary key = {course_id,
lab_id}.
b. COURSE (course_id, lab_id, equipment_type, software_type), primary key =
{course_id, Lab_id}, equipment_type-> software_type.
c. COURSE (course_id, lab_id, course_title, equipment_type, software_type),
primary key = {course_id, lab_id}, Course_id->course_title,
equipment_type->software_type.