Problem # 2: Consider the relation schema R(A, B, C, D, E, F) and the following three: FDs: FD1: {A} {B.C} FD2: {C} {A,D} FD3:{D,E} {F} Use the Armstrong rules to derive each of the following two FDs. In both cases, describe the derivation process step by step (i.e., which rule did you apply to which FDs). a) {C} {B} b) {A,E} {F}