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 ":".
It
operates
Beechcraft
T-6
Texan
II
aircraft
conducting
flight
training
.
It:O
operates:O
Beechcraft:product-airplane
T-6:product-airplane
Texan:product-airplane
II:product-airplane
aircraft:O
conducting:O
flight:O
training:O
.:O