echo 'digraph {

"Teo Mchdol" -> "Tir McDohl" [taillabel = "Son of"]
"Ted" -> "Tir McDohl" [taillabel = "Best friend of"]
"Tir McDohl" -> "Ted" [taillabel = "Best friend of"]
"Tir McDohl" -> "Teo Mchdol" [taillabel = "Father of"]
}' | dot -Tsvg > output.svg