echo 'digraph {

"Masaya Kataoka" -> "Yuuji" [taillabel = "Friend of"]
"Yuuji" -> "Masaya Kataoka" [taillabel = "Friend of"]
"Takashi Inagaki" -> "Masaya Kataoka" [taillabel = "Enemy of"]
}' | dot -Tsvg > output.svg