echo 'digraph {

"Joe" -> "Yuuri" [taillabel = "Rival of"]
"Liu" -> "Yuuri" [taillabel = "Coach of"]
"Yuuri" -> "Joe" [taillabel = "Rival of"]
"Sachio" -> "Joe" [taillabel = "Friend of"]
"Gansaku Nanbu" -> "Joe" [taillabel = "Student of"]
}' | dot -Tsvg > output.svg