Question: Here is an instance of a relation R(A,B,C,D): A B C D 1 2 3 4 1 3 3 3 1 3 3 4 1

Here is an instance of a relation R(A,B,C,D):

A B C D
1 2 3 4
1 3 3 3
1 3 3 4
1 2 3 3
2 2 4 4
2 4 2 4
2 4 4 4
2 2 2 4

Which of the following multivalued dependencies does this instance of R satisfy?

B A

B CD

C B

D A

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