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 ":".
The
voyage
sought
to
determine
changes
brought
about
by
the
glacier
calving
.
The:O
voyage:O
sought:O
to:O
determine:O
changes:O
brought:O
about:O
by:O
the:O
glacier:O
calving:O
.:O