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 ":".
train
12345
runs
on
days
1
,
2
,
3
,
4
,
and
5
,
in
other
words
Monday
through
Friday
.
train:O
12345:O
runs:O
on:O
days:O
1:O
,:O
2:O
,:O
3:O
,:O
4:O
,:O
and:O
5:O
,:O
in:O
other:O
words:O
Monday:O
through:O
Friday:O
.:O