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 ":".
The
dam
failed
in
the
early
morning
of
July
20
after
period
of
heavy
rain
,
causing
of
water
to
flood
downstream
Tanneryville
,
killing
40
people
.
The:O
dam:O
failed:O
in:O
the:O
early:O
morning:O
of:O
July:O
20:O
after:O
period:O
of:O
heavy:O
rain:O
,:O
causing:O
of:O
water:O
to:O
flood:O
downstream:O
Tanneryville:location-GPE
,:O
killing:O
40:O
people:O
.:O