echo 'digraph {

"Princess Bubblegum" -> "Marceline Abadeer" [taillabel = "Girlfriend of"]
"Marceline's Mom" -> "Marceline Abadeer" [taillabel = "Daughter of"]
"Marceline Abadeer" -> "Princess Bubblegum" [taillabel = "Girlfriend of"]
}' | dot -Tsvg > output.svg