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 ":".
It
may
be
caused
by
cervical
myelopathy
.
It:O
may:O
be:O
caused:O
by:O
cervical:other-disease
myelopathy:other-disease
.:O