echo 'digraph {

"Garry" -> "Mary" [taillabel = "Enemy of"]
"Ib" -> "Mary" [taillabel = "stalker of"]
"Garry" -> "Ib" [taillabel = "Friend of"]
"Ib" -> "Garry" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg