With no explanation, label each line with "O", "organization-politicalparty", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
At
the
time
the
Conservative
Party
was
committed
nationally
to
Tariff
reform
,
a
policy
to
which
the
cotton
industry
was
opposed
.
At:O
the:O
time:O
the:O
Conservative:organization-politicalparty
Party:organization-politicalparty
was:O
committed:O
nationally:O
to:O
Tariff:O
reform:O
,:O
a:O
policy:O
to:O
which:O
the:O
cotton:organization-other
industry:organization-other
was:O
opposed:O
.:O