echo 'digraph {

"Moomintroll" -> "Sniff" [taillabel = "Friend of"]
"Snufkin" -> "Moomintroll" [taillabel = "Best friend of"]
"Floren" -> "Moomintroll" [taillabel = "Friend of"]
"Sniff" -> "Moomintroll" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg