echo 'digraph {

"Takuro Amano" -> "Hinagiku Tamano" [taillabel = "Girlfriend of"]
"Hinagiku Tamano" -> "Takuro Amano" [taillabel = "Boyfriend of"]
"Momoko Hanasaki" -> "Takuro Amano" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg