Undirected, Directed, Weighted, Bipartite graphs. A. Undirected Graph: V = {V1, V2, V3, V4}, |V| = 4, E = {(V1, V2), (V2, V3), (V2, V4), (V4, V1)}, |E| = 4. B. Directed Graph: V = {V1, V2, V3, V4}, |V| = 4, E = {(V1, V2), (V2, V3), (V2, V4), (V4, V1), (V4, V2)}, |E| = 5. C. Weighted Graph: V = {V1, V2, V3, V4}, |V| = 4, E = {(V1, V2, V4), (V2, V3, V2), (V2, V4, V9), (V4, V1, V8), (V4, V2, V6)}, |E| = 5. D. Bipartite graph: V = {U1, U2, U3, U4, V1, V2, V3}, |V| = 7, E = {(U1, V1), (U2, V1), (U2, V2), (U2, V3), (U3, V2), (U4, V2)}, |E| = 6.