With no explanation, label each line with "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport", "building-hospital" or "building-hotel" preceded by ":".
It
cuts
energy
costs
to
just
2
cents
per
hour
(
whereas
diesel-generated
electricity
costs
42
cents
per
hour
)
.
It:O
cuts:O
energy:O
costs:O
to:O
just:O
2:O
cents:O
per:O
hour:O
(:O
whereas:O
diesel-generated:O
electricity:O
costs:O
42:O
cents:O
per:O
hour:O
):O
.:O