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et R ( ABCDEFGH ) satisfy the following functional dependencies: A - > B , CH - > A , B - > E ,

et R(ABCDEFGH) satisfy the following functional dependencies:
A -> B, CH -> A, B -> E, BD -> C, EG -> H, DE -> F.
Which of the following FD's is also guaranteed to be satisfied by R?
Group of answer choices
ADG -> CH
CDE -> AF
ACG -> DH
BCD -> FH

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