With no explanation, label each line with "location-GPE", "O", "event-protest", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
The
most
important
part
of
the
museum
collection
was
formed
in
the
Soviet
Union
time
,
and
features
two
departments
-
Russian
art
before
the
Russian
Revolution
of
1917
and
Soviet
art
.
The:O
most:O
important:O
part:O
of:O
the:O
museum:O
collection:O
was:O
formed:O
in:O
the:O
Soviet:location-GPE
Union:location-GPE
time:O
,:O
and:O
features:O
two:O
departments:O
-:O
Russian:location-GPE
art:O
before:O
the:O
Russian:event-protest
Revolution:event-protest
of:O
1917:O
and:O
Soviet:location-GPE
art:O
.:O