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 ":".
As
far
as
it
is
known
,
his
last
rank
was
major
.
As:O
far:O
as:O
it:O
is:O
known:O
,:O
his:O
last:O
rank:O
was:O
major:O
.:O