With no explanation, label each line with "location-GPE", "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
A
large
number
of
nuclear
power
stations
and
units
are
currently
being
constructed
by
the
state
corporation
Rosatom
in
Russia
and
abroad
.
A:O
large:O
number:O
of:O
nuclear:O
power:O
stations:O
and:O
units:O
are:O
currently:O
being:O
constructed:O
by:O
the:O
state:O
corporation:O
Rosatom:organization-company
in:O
Russia:location-GPE
and:O
abroad:O
.:O