echo 'digraph {

"Rick Hunter" -> "Lisa Hayes" [taillabel = "Wife of"]
"Lisa Hayes" -> "Rick Hunter" [taillabel = "Wife of"]
"Roy Fokker" -> "Rick Hunter" [taillabel = "Best friend of"]
"Lisa Hayes" -> "Rick Hunter" [taillabel = "Husband of"]
}' | dot -Tsvg > output.svg