With no explanation, label each line with "O", "person-artist/author", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Rogers
sings
one
verse
in
Pig
Latin
.
Rogers:person-artist/author
sings:O
one:O
verse:O
in:O
Pig:O
Latin:O
.:O