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
future
was
heralded
when
the
seaplane
carrier
and
her
Short
184
seaplanes
joined
the
battle
.
The:O
future:O
was:O
heralded:O
when:O
the:O
seaplane:O
carrier:O
and:O
her:O
Short:product-weapon
184:product-weapon
seaplanes:O
joined:O
the:O
battle:O
.:O