5. Suppose A = {1, 2, 3, 4}. Let S and R be relations on A defined as follows:

S = { (1, 1), (1, 3), (2, 3), (2,4), (3, 4), (4,1) }

R = { (1, 4), (2, 2), (3, 2), (4, 2) }

Write the set of ordered pairs that is S R.