With no explanation, label each line with "product-other", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
In
the
Lenin
Program
in
1920
,
proposed
construction
of
power
systems
in
the
Urals
,
Yenisei
,
Angara
River
and
Lake
Baikal
.
In:O
the:product-other
Lenin:product-other
Program:product-other
in:O
1920:O
,:O
proposed:O
construction:O
of:O
power:O
systems:O
in:O
the:location-bodiesofwater
Urals:location-bodiesofwater
,:O
Yenisei:location-bodiesofwater
,:O
Angara:location-bodiesofwater
River:location-bodiesofwater
and:O
Lake:location-bodiesofwater
Baikal:location-bodiesofwater
.:O