echo 'digraph {

"Oikawa" -> "Oikawa's wife" [taillabel = "Wife of"]
"Sayoko Mikage" -> "Oikawa" [taillabel = "Friend of"]
"Oikawa's wife" -> "Oikawa" [taillabel = "Husband of"]
"Sayoko Mikage" -> "Oikawa" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg