echo 'digraph {

"Clorica" -> "Volkanon" [taillabel = "Teacher of"]
"Vishnal" -> "Volkanon" [taillabel = "Teacher of"]
"Volkanon" -> "Clorica" [taillabel = "Student of"]
"Volkanon" -> "Vishnal" [taillabel = "Student of"]
}' | dot -Tsvg > output.svg