Let X = {1, 2, 3, 4}. Let R = {(1, 3), (2, 1), (2, 2), (2, 3), (2, 4), (3, 3), (3, 4), (a, b) }, where a and b are elements of X. If R is a transitive relation on X, what is the pair (a, b)? Answer:

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