echo 'digraph {

"Sayo Toono" -> "Kaho Miyazawa" [taillabel = "Best friend of"]
"Touya Toono" -> "Sayo Toono" [taillabel = "Sister of"]
"Kaho Miyazawa" -> "Sayo Toono" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg