With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
It
is
a
designated
U.S
.
Patent
and
Trademark
depository
of
federal
and
state
documents
.
It:O
is:O
a:O
designated:O
U.S:location-GPE
.:location-GPE
Patent:O
and:O
Trademark:O
depository:O
of:O
federal:O
and:O
state:O
documents:O
.:O