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
hyperventilation
is
self-promulgating
as
rapid
breathing
causes
carbon
dioxide
levels
to
fall
below
healthy
levels
,
and
respiratory
alkalosis
(
high
blood
pH
)
develops
.
The:O
hyperventilation:O
is:O
self-promulgating:O
as:O
rapid:O
breathing:O
causes:O
carbon:other-chemicalthing
dioxide:other-chemicalthing
levels:O
to:O
fall:O
below:O
healthy:O
levels:O
,:O
and:O
respiratory:O
alkalosis:O
(:O
high:O
blood:O
pH:O
):O
develops:O
.:O