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 ":".
Due
to
fitness
levels
,
Modest
did
n't
make
his
debut
until
10
December
later
that
year
.
Due:O
to:O
fitness:O
levels:O
,:O
Modest:person-athlete
did:O
n't:O
make:O
his:O
debut:O
until:O
10:O
December:O
later:O
that:O
year:O
.:O