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 ":".
Governor
William
Gilpin
appointed
him
treasurer
of
the
Territory
of
Colorado
.
Governor:O
William:person-politician
Gilpin:person-politician
appointed:O
him:O
treasurer:O
of:O
the:O
Territory:O
of:O
Colorado:location-GPE
.:O