Frame Date Enro Es Enrollment Course na tress date Lecturer Lecture Firstame Lac Subjects Subject_und Lama Suje Figure 03 a 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 ard the idertifying relationship of the weak entity type specify in this diagrar? 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 e. List concisely the user requirements that led to this ER schema design