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 ":".
In
1987
,
its
338th
Guards
Tank
Regiment
was
downsized
into
the
82nd
Separate
Tank
Battalion
.
In:O
1987:O
,:O
its:O
338th:organization-other
Guards:organization-other
Tank:organization-other
Regiment:organization-other
was:O
downsized:O
into:O
the:O
82nd:organization-other
Separate:organization-other
Tank:organization-other
Battalion:organization-other
.:O