echo 'digraph {

"Satoshi Tainaka" -> "Satoshi's Friend" [taillabel = "Friend of"]
"Satoshi's Friend" -> "Satoshi Tainaka" [taillabel = "Friend of"]
"Ritsu Tainaka" -> "Satoshi Tainaka" [taillabel = "Younger Brother of"]
}' | dot -Tsvg > output.svg