With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
147,000
)
,
and
140
km
west
of
the
port
city
of
Bourgas
and
the
Black
Sea
.
147,000:O
):O
,:O
and:O
140:O
km:O
west:O
of:O
the:O
port:O
city:O
of:O
Bourgas:location-GPE
and:O
the:O
Black:location-bodiesofwater
Sea:location-bodiesofwater
.:O