With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
In
more
than
50
cities
and
settlements
were
created
Soviets
of
working
deputies
.
In:O
more:O
than:O
50:O
cities:O
and:O
settlements:O
were:O
created:O
Soviets:O
of:O
working:O
deputies:O
.:O