With no explanation, label each line with "O", "other-chemicalthing", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
projected
CO2
emissions
avoided
is
equivalent
to
taking
approximately
20,000
cars
off
the
road
.
The:O
projected:O
CO2:other-chemicalthing
emissions:O
avoided:O
is:O
equivalent:O
to:O
taking:O
approximately:O
20,000:O
cars:O
off:O
the:O
road:O
.:O