echo 'digraph {

"Efreet" -> "Henry Boone" [taillabel = "Pilot of"]
"Henry Boone" -> "Efreet" [taillabel = "Mecha of"]
"Doug Schneid" -> "Efreet" [taillabel = "Mecha of"]
"Helena Hegel" -> "Efreet" [taillabel = "Mecha of"]
}' | dot -Tsvg > output.svg