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
rivers
Maros
and
Küküllő
flowed
through
the
county
.
The:O
rivers:O
Maros:location-bodiesofwater
and:O
Küküllő:location-bodiesofwater
flowed:O
through:O
the:O
county:O
.:O