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 ":".
Northwards
from
Narva
,
the
situation
was
similar
.
Northwards:O
from:O
Narva:location-GPE
,:O
the:O
situation:O
was:O
similar:O
.:O