echo 'digraph {

"Rock" -> "Mr. Chang" [taillabel = "Rival of"]
"Rock" -> "Mr. Chang" [taillabel = "Friend of#"]
"Benny" -> "Rock" [taillabel = "Friend of#"]
"Dutch" -> "Rock" [taillabel = "Friend of#"]
"Revy" -> "Rock" [taillabel = "Friend of#"]
"Mr. Chang" -> "Rock" [taillabel = "Rival of"]
"Mr. Chang" -> "Rock" [taillabel = "Friend of#"]
}' | dot -Tsvg > output.svg