With no explanation, label each line with "O", "product-ship", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Laser
3000
is
a
racing
sailing
dinghy
crewed
by
two
persons
with
a
trapeze
for
the
crew
.
The:O
Laser:product-ship
3000:product-ship
is:O
a:O
racing:O
sailing:O
dinghy:O
crewed:O
by:O
two:O
persons:O
with:O
a:O
trapeze:O
for:O
the:O
crew:O
.:O