Suppose that we pick the following four tuples from a legal relation S (S has 100 tuples in total). S has the following schema:

(A: integer, B: integer, C: integer)

The four tuples are: (1,2,3), (4,2,3), (5,3,3) and (5,3,4).

Which of the following functional ()can you infer does not hold over relation S?

a. A B

b. BC A

c. A C

d. AC B