With no explanation, label each line with "O", "location-bodiesofwater", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
dam
is
situated
in
a
narrow
stretch
of
the
Euphrates
Valley
where
a
small
secondary
channel
branched
off
the
main
channel
.
The:O
dam:O
is:O
situated:O
in:O
a:O
narrow:O
stretch:O
of:O
the:O
Euphrates:location-bodiesofwater
Valley:location-bodiesofwater
where:O
a:O
small:O
secondary:O
channel:O
branched:O
off:O
the:O
main:O
channel:O
.:O