echo 'digraph {

"Yumi" -> "Yuki" [taillabel = "Twin Sister of"]
"Yumi" -> "Yuki" [taillabel = "Rival of"]
"Yuki" -> "Yumi" [taillabel = "Twin Sister of"]
"Yuki" -> "Yumi" [taillabel = "Rival of"]
}' | dot -Tsvg > output.svg