echo 'digraph {

"Olive Oppert" -> "Melsgear Tara" [taillabel = "Mecha of"]
"Heinhelm" -> "Olive Oppert" [taillabel = "Pilot of"]
"Melsgear Tara" -> "Olive Oppert" [taillabel = "Pilot of"]
}' | dot -Tsvg > output.svg