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 ":".
By
2002
Simmons
AAF
had
more
than
180
aircraft
,
along
with
Sikorsky
UH-60
Black
Hawk
and
Boeing
AH-64
Apache
flight
simulators
.
By:O
2002:O
Simmons:O
AAF:O
had:O
more:O
than:O
180:O
aircraft:O
,:O
along:O
with:O
Sikorsky:product-airplane
UH-60:product-airplane
Black:product-airplane
Hawk:product-airplane
and:O
Boeing:product-airplane
AH-64:product-airplane
Apache:product-airplane
flight:O
simulators:O
.:O