Here is an instance of relation

R(A,B,C):

A B C

1 2 3

1 3 2

1 2 2

3 2 1

3 2 3

What are the nontrivial MVD's that R satisfies? Identify which of the following MVD's this instance of R does not satisfy.

a) BC ?? A

b) BC ?? C

c) C ?? A

d) A ?? B