echo 'digraph {

"Ikuya Asano" -> "Youko Nakajima" [taillabel = "Classmate of"]
"Yuka Sugimoto" -> "Youko Nakajima" [taillabel = "Classmate of"]
"Youko Nakajima" -> "Ikuya Asano" [taillabel = "Classmate of"]
"Yuka Sugimoto" -> "Ikuya Asano" [taillabel = "Classmate of"]
"Kaname Takasato" -> "Yuka Sugimoto" [taillabel = "Friend of#"]
"Ikuya Asano" -> "Yuka Sugimoto" [taillabel = "Classmate of"]
"Youko Nakajima" -> "Yuka Sugimoto" [taillabel = "Classmate of"]
}' | dot -Tsvg > output.svg