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 ":".
As
a
result
,
eel
found
in
Lake
Ohrid
are
stocked
populations
.
As:O
a:O
result:O
,:O
eel:O
found:O
in:O
Lake:location-bodiesofwater
Ohrid:location-bodiesofwater
are:O
stocked:O
populations:O
.:O