With no explanation, label each line with "O", "event-other", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Ursa
Major
is
one
of
the
few
mutants
in
the
world
to
retain
their
powers
after
Decimation
.
Ursa:person-other
Major:person-other
is:O
one:O
of:O
the:O
few:O
mutants:O
in:O
the:O
world:O
to:O
retain:O
their:O
powers:O
after:O
Decimation:event-other
.:O