echo 'digraph {

"Hayato Ike" -> "Yukari Hirai" [taillabel = "In love with"]
"Kazumi Yoshida" -> "Yukari Hirai" [taillabel = "Classmate of"]
"Eita Tanaka" -> "Yukari Hirai" [taillabel = "Classmate of"]
"Matake Ogata" -> "Yukari Hirai" [taillabel = "Classmate of"]
"Matake Ogata" -> "Eita Tanaka" [taillabel = "In love with"]
"Kazumi Yoshida" -> "Hayato Ike" [taillabel = "In love with"]
"Matake Ogata" -> "Hayato Ike" [taillabel = "Classmate of"]
"Eita Tanaka" -> "Hayato Ike" [taillabel = "Classmate of"]
"Yukari Hirai" -> "Hayato Ike" [taillabel = "Classmate of"]
"Yuuji Sakai" -> "Kazumi Yoshida" [taillabel = "In love with"]
"Eita Tanaka" -> "Kazumi Yoshida" [taillabel = "Classmate of"]
"Matake Ogata" -> "Kazumi Yoshida" [taillabel = "Classmate of"]
"Hayato Ike" -> "Kazumi Yoshida" [taillabel = "Classmate of"]
"Eita Tanaka" -> "Matake Ogata" [taillabel = "In love with"]
}' | dot -Tsvg > output.svg