With no explanation, label each line with "location-GPE", "organization-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
Mandolin
orchestras
were
common
among
the
Ukrainian
and
Jewish
immigrant
population
in
Toronto
in
the
early
20th
century
.
Mandolin:organization-other
orchestras:organization-other
were:O
common:O
among:O
the:O
Ukrainian:location-GPE
and:O
Jewish:O
immigrant:O
population:O
in:O
Toronto:location-GPE
in:O
the:O
early:O
20th:O
century:O
.:O