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 ":".
The
process
uses
syngas
as
feedstock
and
for
that
reason
the
water
gas
shift
reaction
is
important
for
this
synthesis
.
The:O
process:O
uses:O
syngas:O
as:O
feedstock:O
and:O
for:O
that:O
reason:O
the:O
water:O
gas:O
shift:O
reaction:O
is:O
important:O
for:O
this:O
synthesis:O
.:O