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 ":".
HEMA
forms
deep
resinous
tags
and
then
occludes
the
dentinal
tubules
.
HEMA:O
forms:O
deep:O
resinous:O
tags:O
and:O
then:O
occludes:O
the:O
dentinal:O
tubules:O
.:O