echo 'digraph {

"Nanako Sakurai" -> "Momoe Sakurai" [taillabel = "Younger Sister of"]
"Momoe Sakurai" -> "Nanako Sakurai" [taillabel = "Younger Sister of"]
"Yuki Akiyama" -> "Nanako Sakurai" [taillabel = "Best friend of"]
}' | dot -Tsvg > output.svg