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 ":".
They
placed
the
rest
under
the
supervision
of
colonists
.
They:O
placed:O
the:O
rest:O
under:O
the:O
supervision:O
of:O
colonists:O
.:O