echo 'digraph {

"Hitomi Nakase" -> "Maki Onda" [taillabel = "Friend of"]
"Eiko Kamishiro" -> "Maki Onda" [taillabel = "Student of"]
"Maki Onda" -> "Eiko Kamishiro" [taillabel = "Teacher of"]
"Hitomi Nakase" -> "Eiko Kamishiro" [taillabel = "Teacher of"]
"Maki Onda" -> "Hitomi Nakase" [taillabel = "Friend of"]
"Eiko Kamishiro" -> "Hitomi Nakase" [taillabel = "Student of"]
}' | dot -Tsvg > output.svg