22. Consider a relational database schema with the following instance of a relation R A, B, C .
A B C
1
1
2
1
2
2
1
3
4
Assuming the instance above is valid, which of the following functional dependencies must be FALSE?
I. A B
II. A C
III. AB C
(A) I only (B) II only (C) I and II (D) I and III (E) II and III
