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 ":".
Its
first
test
on
the
railway
took
place
on
8
August
1829
when
it
ran
on
3
miles
of
track
.
Its:O
first:O
test:O
on:O
the:O
railway:O
took:O
place:O
on:O
8:O
August:O
1829:O
when:O
it:O
ran:O
on:O
3:O
miles:O
of:O
track:O
.:O