echo 'digraph {

"Miroku" -> "Sango" [taillabel = "[s]wife of[/s]"]
"Kohaku" -> "Sango" [taillabel = "Older sister of"]
"Sango" -> "Miroku" [taillabel = "[s]Husband[/s] of"]
"Sango" -> "Kohaku" [taillabel = "Younger brother of"]
}' | dot -Tsvg > output.svg