echo 'digraph {

"Sigmund" -> "Yaya" [taillabel = "Friend of"]
"Irori" -> "Yaya" [taillabel = "Sister of"]
"Komurasaki" -> "Yaya" [taillabel = "Sister of"]
"Irori" -> "Komurasaki" [taillabel = "Sister of"]
}' | dot -Tsvg > output.svg