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 ":".
There
are
also
regular
flights
to
Algeria
and
Russia
.
There:O
are:O
also:O
regular:O
flights:O
to:O
Algeria:location-GPE
and:O
Russia:location-GPE
.:O