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 ":".
This
hypothesis
has
been
questioned
because
of
the
existence
of
the
afferent
loop
of
the
reflex
,
the
fact
that
it
does
not
explain
the
reason
for
glottic
closure
,
and
because
the
very
short
contraction
of
the
hiccup
is
unlikely
to
have
a
significant
strengthening
effect
on
the
slow-twitch
muscles
of
respiration
.
This:O
hypothesis:O
has:O
been:O
questioned:O
because:O
of:O
the:O
existence:O
of:O
the:O
afferent:O
loop:O
of:O
the:O
reflex:O
,:O
the:O
fact:O
that:O
it:O
does:O
not:O
explain:O
the:O
reason:O
for:O
glottic:O
closure:O
,:O
and:O
because:O
the:O
very:O
short:O
contraction:O
of:O
the:O
hiccup:O
is:O
unlikely:O
to:O
have:O
a:O
significant:O
strengthening:O
effect:O
on:O
the:O
slow-twitch:O
muscles:O
of:O
respiration:O
.:O