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 ":".
He
became
Norwegian
champion
in
1903
and
1906
.
He:O
became:O
Norwegian:person-other
champion:O
in:O
1903:O
and:O
1906:O
.:O