With no explanation, label each line with "location-GPE", "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Caldwell
was
born
in
Lowell
,
Vermont
.
Caldwell:person-other
was:O
born:O
in:O
Lowell:location-GPE
,:O
Vermont:location-GPE
.:O