echo 'digraph {

"Takashi Murai" -> "Yuuko Murai" [taillabel = "Daughter of"]
"Yuuko Murai" -> "Takashi Murai" [taillabel = "Father of"]
"Hajime Shibata" -> "Takashi Murai" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg