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 ":".
This
is
a
burning
pain
in
the
hands
or
feet
,
usually
accompanied
by
a
reddish
or
bluish
coloration
of
the
skin
.
This:O
is:O
a:O
burning:O
pain:O
in:O
the:O
hands:O
or:O
feet:O
,:O
usually:O
accompanied:O
by:O
a:O
reddish:O
or:O
bluish:O
coloration:O
of:O
the:O
skin:O
.:O