With no explanation, label each line with "location-GPE", "person-athlete", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Esquerdinha
returned
to
Brazil
in
February
2000
.
Esquerdinha:person-athlete
returned:O
to:O
Brazil:location-GPE
in:O
February:O
2000:O
.:O