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 ":".
There
are
35
operational
units/squadrons
assigned
there
.
There:O
are:O
35:O
operational:O
units/squadrons:O
assigned:O
there:O
.:O