echo 'digraph {

"Tanuma's father" -> "Kaname Tanuma" [taillabel = "son of"]
"Takashi Natsume" -> "Kaname Tanuma" [taillabel = "Friend of"]
"Reiko Natsume" -> "Takashi Natsume" [taillabel = "Grandson of"]
"Shigeru Fujiwara" -> "Takashi Natsume" [taillabel = "Roommate of"]
"Touko Fujiwara" -> "Takashi Natsume" [taillabel = "Roommate of"]
"Kaname Tanuma" -> "Takashi Natsume" [taillabel = "Friend of"]
"Kaname Tanuma" -> "Tanuma's father" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg