With no explanation, label each line with "location-GPE", "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
David
Browning
(
born
August
18
,
1956
in
Spokane
,
Washington
)
is
a
retired
American
football
defensive
end
.
David:person-athlete
Browning:person-athlete
(:O
born:O
August:O
18:O
,:O
1956:O
in:O
Spokane:location-GPE
,:O
Washington:location-GPE
):O
is:O
a:O
retired:O
American:location-GPE
football:O
defensive:O
end:O
.:O