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
opened
on
6
June
2017
,
with
regular
traffic
for
passengers
starting
from
11
June
2017
.
It:O
was:O
opened:O
on:O
6:O
June:O
2017:O
,:O
with:O
regular:O
traffic:O
for:O
passengers:O
starting:O
from:O
11:O
June:O
2017:O
.:O