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 ":".
From
14
to
17
June
1941
,
the
British
4th
Armoured
Brigade
was
attached
to
the
division
.
From:O
14:O
to:O
17:O
June:O
1941:O
,:O
the:O
British:organization-other
4th:organization-other
Armoured:organization-other
Brigade:organization-other
was:O
attached:O
to:O
the:O
division:O
.:O