Let R(ABCDEFGH) satisfies the following functional dependencies:

Let R(ABCDEFGH) satisfies the following functional dependencies:

Let R(ABCDEFGH) satisfies the following functional dependencies: 

A -> B,
CH -> A,
B -> E,
BD -> C,
EG -> H,
DE -> F.
Which of the following FDs is also guaranteed to be satisfied by R?


a. CGH -> BF
b. ACG -> DH
c. ADG -> CH
d. BCD -> FH




Answer: C


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