With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Uranium
metal
is
commonly
handled
with
gloves
as
a
sufficient
precaution
.
Uranium:other-chemicalthing
metal:other-chemicalthing
is:O
commonly:O
handled:O
with:O
gloves:O
as:O
a:O
sufficient:O
precaution:O
.:O