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
practice
,
the
batteries
were
permanently
attached
to
the
mounted
brigades
:
Leicestershire
RHA
to
the
1st
Light
Horse
Brigade
and
Somerset
RHA
to
the
2nd
Light
Horse
Brigade
.
In:O
practice:O
,:O
the:O
batteries:O
were:O
permanently:O
attached:O
to:O
the:O
mounted:O
brigades:O
::O
Leicestershire:organization-other
RHA:organization-other
to:organization-other
the:organization-other
1st:organization-other
Light:organization-other
Horse:organization-other
Brigade:organization-other
and:O
Somerset:organization-other
RHA:organization-other
to:organization-other
the:organization-other
2nd:organization-other
Light:organization-other
Horse:organization-other
Brigade:organization-other
.:O