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,{A,F)G). What

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) O b.{A, B) O c. {A, D) O d.{B, F}

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