With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
August
1803
,
Napoleon
sent
for
Corvisart
due
to
chest
pain
and
a
sudden
cough
.
In:O
August:O
1803:O
,:O
Napoleon:person-politician
sent:O
for:O
Corvisart:location-GPE
due:O
to:O
chest:O
pain:O
and:O
a:O
sudden:O
cough:O
.:O