echo 'digraph {

"Takeru Yukawa" -> "Takeru's father" [taillabel = "Father of"]
"Takeru's mother" -> "Takeru's father" [taillabel = "Husband of"]
"Hideto Tange" -> "Takeru Yukawa" [taillabel = "Former student of"]
"Shin Nishida" -> "Takeru Yukawa" [taillabel = "Friend of#"]
"Takeru Yukawa" -> "Takeru's mother" [taillabel = "Mother of"]
"Takeru's father" -> "Takeru's mother" [taillabel = "Wife of"]
}' | dot -Tsvg > output.svg