echo 'digraph {

"Hibiki Otonashi" -> "Kanade Otonashi" [taillabel = "Twin Sister of"]
"Kanade Otonashi" -> "Hibiki Otonashi" [taillabel = "Twin Sister of"]
"Diva" -> "Hibiki Otonashi" [taillabel = "Daughter of"]
}' | dot -Tsvg > output.svg