echo 'digraph {

"Hiroshi Haneda" -> "Higepiyo" [taillabel = "Pet of"]
"Mama" -> "Hiroshi Haneda" [taillabel = "Son of"]
"Papa" -> "Hiroshi Haneda" [taillabel = "Son of"]
"Higepiyo" -> "Hiroshi Haneda" [taillabel = "Owner of"]
}' | dot -Tsvg > output.svg