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 ":".
Other
angiogenesis
inhibitors
are
also
being
investigated
as
potential
ovarian
cancer
treatments
.
Other:O
angiogenesis:O
inhibitors:O
are:O
also:O
being:O
investigated:O
as:O
potential:O
ovarian:other-disease
cancer:other-disease
treatments:O
.:O