04: 5 marks) Consider the below ERD in Figure 03 of Student Enrolment system and answer the below questions. ER DIAGRAM FOR STUDENT ENROLLMENT SYSTEM Frame Lame Student um Date or Enrolmen NID Budent tos Enrollment Course me Address Bate Time CCR CG Lecture Date Bubject Lecturer ame Lecture 10 Subject de L Lastama Firstame Lecturer Lacture Subjects subject Uni Lemail Subject Us dse Add Figure 03 .. List the strong (non-weak) entity types in the ER diagram. b. Is there a weak entity type? If so, give its name, partial key, and identifying relationship. c. What constraints do the partial key and the identifying relationship of the weak entity type specify in this diagram? d. List the names of all relationship types, and specify the (min, max) constraint on the participation of an entity type in a relationship type. Justify your choices. .. List concisely the user requirements that led to this ER schema design. e