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 ":".
Grounds
for
opposing
alternative
medicine
include
that
:
Grounds:O
for:O
opposing:O
alternative:O
medicine:O
include:O
that:O
::O