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 ":".
From
the
Qin
dynasty
to
the
Qing
dynasty
,
it
was
fragmentally
divided
and
managed
by
several
different
regions
.
From:O
the:O
Qin:O
dynasty:O
to:O
the:O
Qing:O
dynasty:O
,:O
it:O
was:O
fragmentally:O
divided:O
and:O
managed:O
by:O
several:O
different:O
regions:O
.:O