With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Kosovo
has
since
become
an
independent
state
.
Kosovo:location-GPE
has:O
since:O
become:O
an:O
independent:O
state:O
.:O