Question: Consider the relation R = {A, B, C, D, E, F, G) and the set of functional dependencies F = {(A,D} -E, (BE) >F, B-C,

Consider the relation R = {A, B, C, D, E, F, G) and the set of functional dependencies F = {(A,D} -E, (BE) >F, B-C, {A,F) -G}. What is the key for R? Select one: O a. {A, B, D) b. {A, B) c. {A, D) d. (B, F)

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