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 ":".
Scheduled
flights
to
and
from
the
airport
use
Boeing
737
and
Bombardier
Dash
8
aircraft
.
Scheduled:O
flights:O
to:O
and:O
from:O
the:O
airport:O
use:O
Boeing:product-airplane
737:product-airplane
and:O
Bombardier:product-airplane
Dash:product-airplane
8:product-airplane
aircraft:product-airplane
.:O