With no explanation, label each line with "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Connaught
Place
metro
station
has
area
of
about
.
Connaught:building-other
Place:building-other
metro:O
station:O
has:O
area:O
of:O
about:O
.:O