With no explanation, label each line with "product-airplane", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
flights
were
operated
with
McDonnell
Douglas
MD-80
aircraft
(
MD-82
and
MD-83
)
,
with
160
to
170
seating
capacity
.
The:O
flights:O
were:O
operated:O
with:O
McDonnell:product-airplane
Douglas:product-airplane
MD-80:product-airplane
aircraft:O
(:O
MD-82:product-airplane
and:O
MD-83:product-airplane
):O
,:O
with:O
160:O
to:O
170:O
seating:O
capacity:O
.:O