plz urgebt need help!!

a) You are given the below functional dependencies for relation R(A,B,C,D,E), F={ABC,ABD,DA,BCD,BCE} i. Is this relation is in BCNF? If not, show all dependencies that violate it. ii. Is this relation in 3NF ? If not, show all dependencies that violate it. b) Normalize the following relation to appropriate Normalization. Cl (clientNo, interviewDate, interviewTime, staffNo, roomNo) i. clientNo, interviewDate . >interviewTime, staffNo, roomNo ii. staffNo, interviewDate, interviewTime > clientNo, roomNo iii. staffNo, interviewDate roomNo