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 ":".
Construction
Company
and
opened
in
February
1925
.
Construction:O
Company:O
and:O
opened:O
in:O
February:O
1925:O
.:O