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 ":".
In
2012
,
there
was
an
expansion
and
a
new
wing
known
as
the
lifestyle
strip
saw
many
restaurants
,
stores
,
and
shops
added
.
In:O
2012:O
,:O
there:O
was:O
an:O
expansion:O
and:O
a:O
new:O
wing:O
known:O
as:O
the:O
lifestyle:O
strip:O
saw:O
many:O
restaurants:O
,:O
stores:O
,:O
and:O
shops:O
added:O
.:O