digraph G {
    Parameter_0 -> Sub_2
    Parameter_1 -> Sub_2
    Sub_2 -> Negative_3 -> Negative_4
    Parameter_0 [shape=box color=blue]
    Parameter_1 [shape=box color=blue]
    Sub_2 [shape=ellipse color=black]
    Negative_3 [shape=ellipse color=black]
    Negative_4 [shape=ellipse color=black]
}


