Question: Given a relation schema R = { A , B , C , D , E , F , G } . Find the keys

Given a relation schema R ={ A, B, C, D, E, F, G }. Find the keys of R and then
decompose R into highest normal form for the following functional dependencies :
i) F ={ AB -> C , F -> G , A -> DE }
ii) F ={ BD -> EF , AD -> G , AB -> C }

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