With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
The
crabs
are
boiled
in
hot
water
until
medium
done
and
cut
into
pieces
;
the
hot
water
being
used
in
the
boiling
process
will
be
used
as
crab
broth
.
The:O
crabs:O
are:O
boiled:O
in:O
hot:O
water:O
until:O
medium:O
done:O
and:O
cut:O
into:O
pieces:O
;:O
the:O
hot:O
water:O
being:O
used:O
in:O
the:O
boiling:O
process:O
will:O
be:O
used:O
as:O
crab:O
broth:O
.:O