With no explanation, label each line with "O", "organization-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
airline
's
IATA
code
was
changed
from
N8
to
HX
on
27
May
2007
.
The:O
airline:O
's:O
IATA:organization-other
code:O
was:O
changed:O
from:O
N8:O
to:O
HX:O
on:O
27:O
May:O
2007:O
.:O