echo 'digraph {

"Madame Suliman" -> "Witch of the Waste" [taillabel = "former student to"]
"Howl" -> "Madame Suliman" [taillabel = "Former teacher of"]
"Witch of the Waste" -> "Madame Suliman" [taillabel = "Former teacher of"]
"Heen" -> "Madame Suliman" [taillabel = "Owner of"]
}' | dot -Tsvg > output.svg