echo 'digraph {

"Mikoto Urabe" -> "Ayuko Oka" [taillabel = "Friend of#"]
"Kouhei Ueno" -> "Ayuko Oka" [taillabel = "Girlfriend of"]
"Ayuko Oka" -> "Mikoto Urabe" [taillabel = "Friend of#"]
"Akira Tsubaki" -> "Mikoto Urabe" [taillabel = "Girlfriend of"]
"Ayuko Oka" -> "Kouhei Ueno" [taillabel = "Boyfriend of"]
}' | dot -Tsvg > output.svg