With no explanation, label each line with "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
T-28
had
one
large
turret
with
a
76.2
mm
gun
and
two
smaller
turrets
with
7.62
mm
machine
guns
.
The:O
T-28:product-weapon
had:O
one:O
large:O
turret:O
with:O
a:O
76.2:O
mm:O
gun:O
and:O
two:O
smaller:O
turrets:O
with:O
7.62:O
mm:O
machine:O
guns:O
.:O