With no explanation, label each line with "other-disease", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
A
growing
hematoma
causes
pressure
necrosis
of
the
bone
surrounding
the
hematoma
,
but
only
on
rare
occasions
does
it
cause
facial
distortion
.
A:O
growing:O
hematoma:other-disease
causes:O
pressure:O
necrosis:O
of:O
the:O
bone:O
surrounding:O
the:O
hematoma:other-disease
,:O
but:O
only:O
on:O
rare:O
occasions:O
does:O
it:O
cause:O
facial:O
distortion:O
.:O