echo 'digraph {

"Marina" -> "Kenta" [taillabel = "Love interest of"]
"Jun'ichi" -> "Kenta" [taillabel = "Friend of"]
"Jun'ichi" -> "Marina" [taillabel = "Friend of"]
"Kenta" -> "Jun'ichi" [taillabel = "Friend of"]
"Marina" -> "Jun'ichi" [taillabel = "Friend of"]
}' | dot -Tsvg > output.svg