With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Esto
Bates
Broughton
was
29
years
old
when
she
was
sworn
into
office
early
in
1919
.
Esto:person-other
Bates:person-other
Broughton:person-other
was:O
29:O
years:O
old:O
when:O
she:O
was:O
sworn:O
into:O
office:O
early:O
in:O
1919:O
.:O