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 ":".
In
2001–2002
,
General
Atomics
MQ-1
Predator
drones
were
equipped
with
missiles
to
strike
enemy
targets
.
In:O
2001–2002:O
,:O
General:product-airplane
Atomics:product-airplane
MQ-1:product-airplane
Predator:product-airplane
drones:O
were:O
equipped:O
with:O
missiles:O
to:O
strike:O
enemy:O
targets:O
.:O