echo 'digraph {

"Euryale" -> "Stheno" [taillabel = "Younger Sister of"]
"Rider" -> "Stheno" [taillabel = "Younger Sister of"]
"Sakura Matou" -> "Rider" [taillabel = "Servant of"]
"Euryale" -> "Rider" [taillabel = "Younger Sister of"]
"Stheno" -> "Rider" [taillabel = "Younger Sister of"]
"Stheno" -> "Euryale" [taillabel = "Younger Sister of"]
"Rider" -> "Euryale" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg