With no explanation, label each line with "location-GPE", "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
This
area
is
characterized
by
numerous
small
farming
villages
in
the
valley
of
the
Arghandab
River
southwest
of
Kandahar
City
.
This:O
area:O
is:O
characterized:O
by:O
numerous:O
small:O
farming:O
villages:O
in:O
the:O
valley:O
of:O
the:O
Arghandab:location-bodiesofwater
River:location-bodiesofwater
southwest:O
of:O
Kandahar:location-GPE
City:location-GPE
.:O