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 ":".
It
was
the
23rd
Division
’
s
last
named
operation
of
the
war
.
It:O
was:O
the:O
23rd:organization-other
Division:organization-other
’:O
s:O
last:O
named:O
operation:O
of:O
the:O
war:O
.:O