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 ":".
Groups
in
Boston
,
London
,
Seattle
and
Hokkaidō
all
have
a
claim
.
Groups:O
in:O
Boston:location-GPE
,:O
London:location-GPE
,:O
Seattle:location-GPE
and:O
Hokkaidō:location-GPE
all:O
have:O
a:O
claim:O
.:O