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 ":".
The
Chinese
routinely
described
the
Soviets
as
``
modern
revisionists
''
through
the
1960s
.
The:O
Chinese:O
routinely:O
described:O
the:O
Soviets:O
as:O
``:O
modern:O
revisionists:O
'':O
through:O
the:O
1960s:O
.:O