echo 'digraph {

"Lucky" -> "Marl" [taillabel = "Wife of"]
"Happy" -> "Marl" [taillabel = "Mother of"]
"Lucky" -> "Happy" [taillabel = "Son of"]
"Marl" -> "Happy" [taillabel = "Son of"]
"Carla" -> "Happy" [taillabel = "In love with"]
"Natsu Dragneel" -> "Happy" [taillabel = "Friend of"]
"Marl" -> "Lucky" [taillabel = "Husband of"]
"Happy" -> "Lucky" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg