echo 'digraph {

"Naoko Sakisaka" -> "Rikuo Sakisaka" [taillabel = "Younger brother of"]
"Masakazu Masaki" -> "Rikuo Sakisaka" [taillabel = "Best friend of"]
"Rikuo Sakisaka" -> "Masakazu Masaki" [taillabel = "Best friend of"]
"Rikuo Sakisaka" -> "Naoko Sakisaka" [taillabel = "Older sister of"]
}' | dot -Tsvg > output.svg