echo 'digraph {

"Aya Misaki" -> "Mariko Shinobu" [taillabel = "Rival of"]
"Nanako Misono" -> "Mariko Shinobu" [taillabel = "Friend of"]
"Nanako's father" -> "Nanako Misono" [taillabel = "Step-daughter of"]
"Nanako's mother" -> "Nanako Misono" [taillabel = "Daughter of"]
"Takehiko Henmi" -> "Nanako Misono" [taillabel = "Step-sister of"]
"Tomoko Arikura" -> "Nanako Misono" [taillabel = "Best friend of"]
"Mariko Shinobu" -> "Nanako Misono" [taillabel = "Friend of"]
"Mariko Shinobu" -> "Aya Misaki" [taillabel = "Rival of"]
}' | dot -Tsvg > output.svg