echo 'digraph {

"Takashi" -> "Yuji Kaido" [taillabel = "Former friend of"]
"Marlene Angel" -> "Yuji Kaido" [taillabel = "In love with"]
"Yuji Kaido" -> "Marlene Angel" [taillabel = "In love with"]
"Yuji Kaido" -> "Takashi" [taillabel = "Former friend of"]
}' | dot -Tsvg > output.svg