With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Ultimately
,
12
teams
were
invited
to
the
tournament
.
Ultimately:O
,:O
12:O
teams:O
were:O
invited:O
to:O
the:O
tournament:O
.:O