With no explanation, label each line with "O", "location-other", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Osowiec-Twierdza
is
home
to
the
Biebrza
National
Park
.
Osowiec-Twierdza:location-other
is:O
home:O
to:O
the:O
Biebrza:location-park
National:location-park
Park:location-park
.:O