With no explanation, label each line with "organization-other", "product-software", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
SAGE
Combat
Center
utilized
a
three-string
AN/GSA-51
computer
system
.
The:organization-other
SAGE:organization-other
Combat:organization-other
Center:organization-other
utilized:O
a:O
three-string:O
AN/GSA-51:product-software
computer:product-software
system:product-software
.:O