With no explanation, label each line with "location-GPE", "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Joe
Ely
is
an
American
singer
,
songwriter
and
guitarist
.
Joe:person-artist/author
Ely:person-artist/author
is:O
an:O
American:location-GPE
singer:O
,:O
songwriter:O
and:O
guitarist:O
.:O