echo 'digraph {

"Alouette" -> "Prairie" [taillabel = "Older Version of"]
"Prairie" -> "Alouette" [taillabel = "Younger Version of"]
"Ciel" -> "Alouette" [taillabel = "Adoptive sister of"]
"Zero" -> "Alouette" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg