With no explanation, label each line with "location-GPE", "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Under
Dessalines
,
Haiti
became
the
first
country
to
permanently
abolish
slavery
.
Under:O
Dessalines:person-politician
,:O
Haiti:location-GPE
became:O
the:O
first:O
country:O
to:O
permanently:O
abolish:O
slavery:O
.:O