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
EPA
states
that
CFCs
and
HCFCs
can
now
only
be
used
in
processes
that
result
in
the
transformation
or
destruction
of
the
HCFCs
,
such
as
using
HCFC-142b
as
feedstock
to
make
PVDF
.
The:O
EPA:other-chemicalthing
states:O
that:O
CFCs:other-chemicalthing
and:O
HCFCs:other-chemicalthing
can:O
now:O
only:O
be:O
used:O
in:O
processes:O
that:O
result:O
in:O
the:O
transformation:O
or:O
destruction:O
of:O
the:O
HCFCs:other-chemicalthing
,:O
such:O
as:O
using:O
HCFC-142b:other-chemicalthing
as:O
feedstock:O
to:O
make:O
PVDF:other-chemicalthing
.:O