With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Spigots
,
since
you
ask
'
-
Mark
Mason
(
author
)
Spigots:O
,:O
since:O
you:O
ask:O
':O
-:O
Mark:person-artist/author
Mason:person-artist/author
(:O
author:O
):O