With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
Retrieved
from
http
:
//www.ega.edu/articles/detail/augusta-csra-vietnam-war-veterans-memorial-unveiled
Retrieved:O
from:O
http:O
::O
//www.ega.edu/articles/detail/augusta-csra-vietnam-war-veterans-memorial-unveiled:O