echo 'digraph {

"Liwei" -> "Tamaki" [taillabel = "Subordinate of"]
"Stephan" -> "Tamaki" [taillabel = "Teammate of"]
"Liwei" -> "Stephan" [taillabel = "Subordinate of"]
"Tamaki" -> "Stephan" [taillabel = "Teammate of"]
"Stephan" -> "Liwei" [taillabel = "Superior of"]
"Tamaki" -> "Liwei" [taillabel = "Superior of"]
}' | dot -Tsvg > output.svg