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 ":".
There
were
309
passengers
and
a
crew
of
13
on
board
.
There:O
were:O
309:O
passengers:O
and:O
a:O
crew:O
of:O
13:O
on:O
board:O
.:O