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 ":".
His
father
,
Frederik
Vilhelm
Theodor
Bricka
(
1809-79
)
,
was
a
medical
doctor
.
His:O
father:O
,:O
Frederik:person-other
Vilhelm:person-other
Theodor:person-other
Bricka:person-other
(:O
1809-79:O
):O
,:O
was:O
a:O
medical:O
doctor:O
.:O