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 ":".
Medication
falls
into
one
of
three
categories
:
Medication:O
falls:O
into:O
one:O
of:O
three:O
categories:O
::O