echo 'digraph {

"Mana Okano" -> "Sena Okano" [taillabel = "Older sister of"]
"Kana Okano" -> "Sena Okano" [taillabel = "Older sister of"]
"Kaori Okano" -> "Sena Okano" [taillabel = "Daughter of"]
"Sena Okano" -> "Kaori Okano" [taillabel = "Mother of"]
"Kana Okano" -> "Kaori Okano" [taillabel = "Mother of"]
"Mana Okano" -> "Kaori Okano" [taillabel = "Mother of"]
"Kaori Okano" -> "Kana Okano" [taillabel = "Daughter of"]
"Mana Okano" -> "Kana Okano" [taillabel = "Older sister of"]
"Sena Okano" -> "Kana Okano" [taillabel = "Younger Sister of"]
"Kaori Okano" -> "Mana Okano" [taillabel = "Daughter of"]
"Sena Okano" -> "Mana Okano" [taillabel = "Younger Sister of"]
"Kana Okano" -> "Mana Okano" [taillabel = "Younger Sister of"]
}' | dot -Tsvg > output.svg