echo 'digraph {

"Midori Nendou" -> "Riki Takeuchi" [taillabel = "Former husband of"]
"Riki Nendou" -> "Riki Takeuchi" [taillabel = "Father of"]
"Kusuo Saiki" -> "Riki Nendou" [taillabel = "Best friend of"]
"Midori Nendou" -> "Riki Nendou" [taillabel = "Son of"]
"Riki Nendou" -> "Midori Nendou" [taillabel = "Mother of"]
"Riki Takeuchi" -> "Midori Nendou" [taillabel = "Former wife of"]
}' | dot -Tsvg > output.svg