Answer Happy

Let S be the relation represented by the directed graph above. From the given relations R below, which one is not a subset of S? OAR=((a.a). (a.c). (be). (e.d). (c.c). (e.b). (e.c)) OBR=((a.a) (a.c). (b.e). (c.c). (e.d)) OCR ((a.c), (e.b). (d.b). (b.e). (b.c). (e.e)) ODR-((a.c), (e.b), (e.d). (c.c). (b.e). (e.c)) OER ((a.a). (a.c). (be), (e.d). (c.c), (e.b), (e.c), (d.b))