With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1928
,
Germany
's
industrial
production
even
regained
the
pre-war
levels
of
1913
.
In:O
1928:O
,:O
Germany:location-GPE
's:O
industrial:O
production:O
even:O
regained:O
the:O
pre-war:O
levels:O
of:O
1913:O
.:O