echo 'digraph {

"Yumie Hanamura" -> "Yumie's boyfriend" [taillabel = "Boyfriend of"]
"Kei Takada" -> "Yumie Hanamura" [taillabel = "Former girlfriend of"]
"Yumie's boyfriend" -> "Yumie Hanamura" [taillabel = "Girlfriend of"]
}' | dot -Tsvg > output.svg