echo 'digraph {

"Funny Valentine" -> "Scarlet Valentine" [taillabel = "Wife of"]
"Captain Valentine" -> "Funny Valentine" [taillabel = "Step-son of"]
"Scarlet Valentine" -> "Funny Valentine" [taillabel = "Husband of"]
"Dirty Deeds Done Dirt Cheap" -> "Funny Valentine" [taillabel = "Stand User of"]
}' | dot -Tsvg > output.svg