With no explanation, label each line with "location-GPE", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Nepal
's
first
period
of
parliamentary
democracy
lasted
from
1950
to
1960
.
Nepal:location-GPE
's:O
first:O
period:O
of:O
parliamentary:O
democracy:O
lasted:O
from:O
1950:O
to:O
1960:O
.:O