With no explanation, label each line with "O", "location-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
polynya
was
consistently
found
in
the
lee
of
the
Mertz
Glacier
Tongue
until
its
break-away
in
2010
.
The:O
polynya:O
was:O
consistently:O
found:O
in:O
the:O
lee:O
of:O
the:O
Mertz:location-other
Glacier:location-other
Tongue:location-other
until:O
its:O
break-away:O
in:O
2010:O
.:O