With no explanation, label each line with "location-GPE", "O", "building-restaurant", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
chain
currently
consists
of
6
area
Gates
Bar-B-Q
restaurants
:
4
in
Missouri
,
2
in
Kansas
.
The:O
chain:O
currently:O
consists:O
of:O
6:O
area:O
Gates:building-restaurant
Bar-B-Q:building-restaurant
restaurants:building-restaurant
::O
4:O
in:O
Missouri:location-GPE
,:O
2:O
in:O
Kansas:location-GPE
.:O