echo 'digraph {

"Mr. Krabs" -> "Plankton" [taillabel = "Enemy of"]
"Karen Plankton" -> "Plankton" [taillabel = "Husband of"]
"Plankton" -> "Mr. Krabs" [taillabel = "Enemy of"]
"Pearl Krabs" -> "Mr. Krabs" [taillabel = "Father of"]
"Plankton" -> "Karen Plankton" [taillabel = "Wife of"]
}' | dot -Tsvg > output.svg