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 ":".
The
company
was
founded
in
1888
as
``
Nilsson
och
Johansson
``
,
but
changed
its
name
to
``
AB
Nilsjohan
``
in
the
1950s
.
The:O
company:O
was:O
founded:O
in:O
1888:O
as:O
``:O
Nilsson:organization-company
och:organization-company
Johansson:organization-company
``:O
,:O
but:O
changed:O
its:O
name:O
to:O
``:O
AB:organization-company
Nilsjohan:organization-company
``:O
in:O
the:O
1950s:O
.:O