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Consider the relation R = {A, B, C, D, E, F, G, H, I, J} and the set of functional dependencies F = {{A, B)C,

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

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