echo 'digraph {

"Marino Tagaya" -> "Mana Tagaya" [taillabel = "Younger Sister of"]
"Mamoru Tagaya" -> "Mana Tagaya" [taillabel = "Younger Sister of"]
"Hiroko Yano" -> "Marino Tagaya" [taillabel = "Best friend of"]
"Mamoru Tagaya" -> "Marino Tagaya" [taillabel = "Older Sister of"]
"Mana Tagaya" -> "Marino Tagaya" [taillabel = "Older Sister of"]
"Marino Tagaya" -> "Mamoru Tagaya" [taillabel = "Younger Brother of"]
"Mana Tagaya" -> "Mamoru Tagaya" [taillabel = "Older Brother of"]
}' | dot -Tsvg > output.svg