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 ":".
Landslides
and
flooding
caused
by
heavy
rain
caused
tragic
loss
of
life
and
left
thousands
homeless
.
Landslides:O
and:O
flooding:O
caused:O
by:O
heavy:O
rain:O
caused:O
tragic:O
loss:O
of:O
life:O
and:O
left:O
thousands:O
homeless:O
.:O