With no explanation, label each line with "building-library", "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
of
Special
Collections
and
University
Archives
,
Stanford
University
Libraries
,
Stanford
,
Calif
.
of:O
Special:O
Collections:O
and:O
University:O
Archives:O
,:O
Stanford:building-library
University:building-library
Libraries:building-library
,:O
Stanford:location-GPE
,:O
Calif:location-GPE
.:O