With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Memorial
Union
houses
several
restaurants
and
cafeterias
.
Memorial:location-other
Union:location-other
houses:O
several:O
restaurants:O
and:O
cafeterias:O
.:O