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Consider the following relational schema and set of functional dependencies. R ( A , B , C , D , E ) with functional dependencies

Consider the following relational schema and set of functional dependencies. R(A,B,C,D,E) with functional dependencies AB->E and D->C.
a. List all super key(s) for this relation. Which of these super keys form a key (ie, a minimal super key) for this relation? Justify your answer in terms of functional dependencies and closures.
b. Decompose R into BCNF. Show your work for partial credit. Your answer should consist of a list of table names and attributes and an indication of the keys in each table (underlined attributes).

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