Question Completion Status: A Click Submit to complete this assessment. Question 19 Let C = {1, 2, 3, 4) and let R1, R2, R3, R4 be the relations in C. Which one of them is transitive? OAR1 = {(2, 3), (3, 2), (3, 3), (1, 1); OB. R3 = {(3, 4), (3, 3), (4,4), (4,3)} OCR4 = {(1, 2), (2, 2), (2, 3), (3, 2); OD R2 = {(1, 1), (2, 2), (1,3), (3, 2) Click Submit to complete this assessment Sa Close Window