With no explanation, label each line with "O", "person-athlete", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
He
was
born
in
Dakar
.
He:O
was:O
born:O
in:O
Dakar:person-athlete
.:O