echo 'digraph {

"De Niro" -> "Masashi Umehoshi" [taillabel = "Owner of"]
"Yasushi Umehoshi" -> "Masashi Umehoshi" [taillabel = "Twin Brother of"]
"Masashi Umehoshi" -> "De Niro" [taillabel = "Pet of"]
"Masashi Umehoshi" -> "Yasushi Umehoshi" [taillabel = "Twin Brother of"]
}' | dot -Tsvg > output.svg