With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
In
the
mid
1970s
he
joined
the
staff
of
Rounder
Records
,
where
he
first
worked
in
the
record
label
's
sales
,
promotion
and
art
departments
.
In:O
the:O
mid:O
1970s:O
he:O
joined:O
the:O
staff:O
of:O
Rounder:organization-company
Records:organization-company
,:O
where:O
he:O
first:O
worked:O
in:O
the:O
record:O
label:O
's:O
sales:O
,:O
promotion:O
and:O
art:O
departments:O
.:O