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 ":".
Although
modern
catamarans
tend
to
have
a
fractional
rig
,
the
Catalac
's
mainsail
has
a
straight
leech
,
short
battens
and
no
roach
.
Although:O
modern:O
catamarans:O
tend:O
to:O
have:O
a:O
fractional:O
rig:O
,:O
the:O
Catalac:product-ship
's:O
mainsail:O
has:O
a:O
straight:O
leech:O
,:O
short:O
battens:O
and:O
no:O
roach:O
.:O