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
DShK
had
an
effective
rate
of
fire
of
125
rounds
per
minute
and
an
effective
range
against
aircraft
of
.
The:O
DShK:product-weapon
had:O
an:O
effective:O
rate:O
of:O
fire:O
of:O
125:O
rounds:O
per:O
minute:O
and:O
an:O
effective:O
range:O
against:O
aircraft:O
of:O
.:O