With no explanation, label each line with "O", "person-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
1973
,
Dieter
Schwarz
joined
the
``
Lidl
&
amp
;
Schwarz
KG
''
business
of
his
father
Josef
Schwarz
and
opened
the
company
's
first
discount
supermarket
,
inspired
by
the
brothers
Albrecht
.
In:O
1973:O
,:O
Dieter:person-other
Schwarz:person-other
joined:O
the:O
``:O
Lidl:O
&:O
amp:O
;:O
Schwarz:O
KG:O
'':O
business:O
of:O
his:O
father:O
Josef:person-other
Schwarz:person-other
and:O
opened:O
the:O
company:O
's:O
first:O
discount:O
supermarket:O
,:O
inspired:O
by:O
the:O
brothers:O
Albrecht:person-other
.:O