With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Early
in
his
career
he
was
associate
of
Dag
Hammarskjöld
in
cases
involving
international
financial
issues
.
Early:O
in:O
his:O
career:O
he:O
was:O
associate:O
of:O
Dag:person-other
Hammarskjöld:person-other
in:O
cases:O
involving:O
international:O
financial:O
issues:O
.:O