With no explanation, label each line with "O", "person-politician", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
the
death
of
Joseph
Stalin
in
1953
,
defectors
were
usually
convicted
for
treason
``
in
absentia
''
.
After:O
the:O
death:O
of:O
Joseph:person-politician
Stalin:person-politician
in:O
1953:O
,:O
defectors:O
were:O
usually:O
convicted:O
for:O
treason:O
``:O
in:O
absentia:O
'':O
.:O