With no explanation, label each line with "location-GPE", "O", "location-park", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Several
thousand
attended
a
rally
in
Dolores
Park
in
San
Francisco
and
rallies
were
also
held
in
Los
Angeles
,
Seattle
,
and
Birmingham
,
Alabama
.
Several:O
thousand:O
attended:O
a:O
rally:O
in:O
Dolores:location-park
Park:location-park
in:O
San:location-GPE
Francisco:location-GPE
and:O
rallies:O
were:O
also:O
held:O
in:O
Los:location-GPE
Angeles:location-GPE
,:O
Seattle:location-GPE
,:O
and:O
Birmingham:location-GPE
,:O
Alabama:location-GPE
.:O