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 ":".
It
was
completed
in
late
2012
and
began
services
on
24
September
2013
.
It:O
was:O
completed:O
in:O
late:O
2012:O
and:O
began:O
services:O
on:O
24:O
September:O
2013:O
.:O