With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
Navy
purchased
her
in
1804
.
The:O
Navy:organization-other
purchased:O
her:O
in:O
1804:O
.:O