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 ":".
In
1876
,
he
was
chosen
secretary
of
the
Colorado
senate
.
In:O
1876:O
,:O
he:O
was:O
chosen:O
secretary:O
of:O
the:O
Colorado:location-GPE
senate:O
.:O