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 ":".
Most
of
these
tornadoes
were
weak
.
Most:O
of:O
these:O
tornadoes:O
were:O
weak:O
.:O