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 ":".
Production
began
in
1987
,
with
five
cars
built
in
the
first
year
with
production
increasing
in
the
subsequent
years
.
Production:O
began:O
in:O
1987:O
,:O
with:O
five:O
cars:O
built:O
in:O
the:O
first:O
year:O
with:O
production:O
increasing:O
in:O
the:O
subsequent:O
years:O
.:O