With no explanation, label each line with "product-other", "building-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
By
this
time
Hinkley
Point
A
nuclear
power
station
and
Hinkley
Point
B
nuclear
power
station
had
come
into
operation
,
reducing
demand
for
electricity
produced
from
burning
coal
.
By:O
this:O
time:O
Hinkley:building-other
Point:building-other
A:building-other
nuclear:building-other
power:building-other
station:building-other
and:O
Hinkley:building-other
Point:building-other
B:building-other
nuclear:building-other
power:building-other
station:building-other
had:O
come:O
into:O
operation:O
,:O
reducing:O
demand:O
for:O
electricity:O
produced:O
from:O
burning:O
coal:product-other
.:O