def METHOD_NAME():
    network = Network()
    network.add_edge("a", "b")
    network.add_edge("a", "c")
    network.add_edge("a", "d")
    network.add_edge("a", "e")
    network.add_edge("b", "c")
    network.add_edge("b", "d")
    network.add_edge("b", "e")
    network.add_edge("c", "d")
    network.add_edge("c", "e")
    network.add_edge("d", "e")
    return network