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 ":".
Five
of
the
ten
tallest
dams
in
the
U.S
.
are
located
in
California
.
Five:O
of:O
the:O
ten:O
tallest:O
dams:O
in:O
the:O
U.S:location-GPE
.:location-GPE
are:O
located:O
in:O
California:location-GPE
.:O