With no explanation, label each line with "person-soldier", "O", "organization-politicalparty", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart" or "building-airport" preceded by ":".
With
the
merging
of
the
Army
of
the
Shenandoah
,
Gen.
Joseph
E.
Johnston
took
command
from
July
20
,
1861
,
until
May
31
,
1862
.
With:O
the:O
merging:O
of:O
the:O
Army:organization-politicalparty
of:organization-politicalparty
the:organization-politicalparty
Shenandoah:organization-politicalparty
,:O
Gen.:person-soldier
Joseph:person-soldier
E.:person-soldier
Johnston:person-soldier
took:O
command:O
from:O
July:O
20:O
,:O
1861:O
,:O
until:O
May:O
31:O
,:O
1862:O
.:O