echo 'digraph {

"Boa Hancock" -> "Boa Sandersonia" [taillabel = "Sister of"]
"Boa Marigold" -> "Boa Sandersonia" [taillabel = "Sister of"]
"Monkey D. Luffy" -> "Boa Hancock" [taillabel = "In love with"]
"Boa Sandersonia" -> "Boa Hancock" [taillabel = "Older sister of"]
"Boa Marigold" -> "Boa Hancock" [taillabel = "Older sister of"]
}' | dot -Tsvg > output.svg