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
221
people
on
the
train
;
213
passengers
and
8
crew
members
.
There:O
were:O
221:O
people:O
on:O
the:O
train:O
;:O
213:O
passengers:O
and:O
8:O
crew:O
members:O
.:O