Consider the following relevance diagram: How many ofthe following statements must be true (after any necessary arrow manipulations are performed)? I. B is irrelevant to C given A, D, and &. II. You...

Consider the following relevance diagram:

How many ofthe following statements must be true (after any necessary arrow manipulations are performed)?

I. B is irrelevant to C given A, D, and &.

II. You may add an arrow from B to D.

HI. B is irrelevant to C given &.

a. 0 b. 1

c. 2 d. 3