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 ":".
This
led
to
Volvo
switching
the
``
F
''
to
``
V
''
,
for
versatile
.
This:O
led:O
to:O
Volvo:organization-company
switching:O
the:O
``:O
F:O
'':O
to:O
``:O
V:O
'':O
,:O
for:O
versatile:O
.:O