digraph {
concentrate=true;overlap=scale;"banker=GratefulPOS" [label="banker\nGratefulPOS",shape=box,style=filled,color=deepskyblue];"banker=GratefulPOS" -> "tool=GratefulPOS" [label="similar",dir="both"];"tool=GratefulPOS" [label="tool\nGratefulPOS",shape=box,style=filled,color=deepskyblue];}