echo 'digraph { "Tsunayoshi Sawada" -> "Giotto Vongola I" [taillabel = "Mentor of"] "Takeshi Yamamoto" -> "Tsunayoshi Sawada" [taillabel = "Best friend of"] "Reborn" -> "Tsunayoshi Sawada" [taillabel = "Student of"] }' | dot -Tsvg > output.svg