echo 'digraph {

"Professor Oak" -> "Gary Oak" [taillabel = "grandson of "]
"Samson Oak" -> "Gary Oak" [taillabel = "Cousin of"]
"Gary Oak" -> "Samson Oak" [taillabel = "Cousin of"]
"Professor Oak" -> "Samson Oak" [taillabel = "Cousin of"]
}' | dot -Tsvg > output.svg