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 ":".
This
is
because
most
of
the
clinical
studies
that
have
been
conducted
around
chromium
have
been
administered
only
for
short
periods
of
time
on
small
sample
populations
,
and
have
in
turn
yielded
variable
findings
.
This:O
is:O
because:O
most:O
of:O
the:O
clinical:O
studies:O
that:O
have:O
been:O
conducted:O
around:O
chromium:other-chemicalthing
have:O
been:O
administered:O
only:O
for:O
short:O
periods:O
of:O
time:O
on:O
small:O
sample:O
populations:O
,:O
and:O
have:O
in:O
turn:O
yielded:O
variable:O
findings:O
.:O