echo 'digraph {

"Austria" -> "Hungary" [taillabel = "Former wife of"]
"Prussia" -> "Hungary" [taillabel = "Childhood friend of"]
"Germany" -> "Prussia" [taillabel = "Brother of"]
"Spain" -> "Prussia" [taillabel = "Friend of#"]
"Germany" -> "Austria" [taillabel = "Neighbor of"]
}' | dot -Tsvg > output.svg