echo 'digraph {

"Tadashi Isogai" -> "Yuka Isogai" [taillabel = "Wife of"]
"Kotomi Shionzaki" -> "Tadashi Isogai" [taillabel = "Teacher of"]
"Yuka Isogai" -> "Tadashi Isogai" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg