digraph { node [shape="point"] Phase [label="'cond'",shape="oval",color="blue"] NewPhase [label="'finish'",shape="oval",color="green"] Inst [label="While",shape="oval"] ReturnValue [label="False",shape="oval"] Root -> UserRoot [label="username"] UserRoot -> Frame [label="'frame'"] Frame -> Phase [label="'phase'",color="blue",style="dashed"] Frame -> NewPhase [label="'phase'",color="green",penwidth=4] Frame -> Inst [label="'IP'"] Frame -> ReturnValue [label="'returnvalue'"] }