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 ":".
This
approach
is
a
strategy
with
high
risks
This:O
approach:O
is:O
a:O
strategy:O
with:O
high:O
risks:O