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 ":".
Mild
,
persistent
,
spontaneous
,
intermittent
,
and
unilateral
epistaxis
is
the
most
common
sign
clinically
.
Mild:O
,:O
persistent:O
,:O
spontaneous:O
,:O
intermittent:O
,:O
and:O
unilateral:O
epistaxis:O
is:O
the:O
most:O
common:O
sign:O
clinically:O
.:O