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