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 ":".
The
river
cut
an
eighty-plus
foot
gorge
as
what
is
now
St.
Anthony
Falls
moved
upstream
over
thousands
of
years
,
finally
stopping
at
downtown
Minneapolis
due
to
engineering
work
during
the
city
's
flour
milling
boom
times
.
The:O
river:O
cut:O
an:O
eighty-plus:O
foot:O
gorge:O
as:O
what:O
is:O
now:O
St.:location-bodiesofwater
Anthony:location-bodiesofwater
Falls:location-bodiesofwater
moved:O
upstream:O
over:O
thousands:O
of:O
years:O
,:O
finally:O
stopping:O
at:O
downtown:O
Minneapolis:location-GPE
due:O
to:O
engineering:O
work:O
during:O
the:O
city:O
's:O
flour:O
milling:O
boom:O
times:O
.:O