With no explanation, label each line with "O", "person-politician", "organization-education", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
1983
,
Zīle
began
part-time
studies
at
the
Latvian
Institute
of
Agriculture
and
Agricultural
Economics
.
In:O
1983:O
,:O
Zīle:person-politician
began:O
part-time:O
studies:O
at:O
the:O
Latvian:organization-education
Institute:organization-education
of:organization-education
Agriculture:organization-education
and:organization-education
Agricultural:organization-education
Economics:organization-education
.:O