With no explanation, label each line with "location-GPE", "product-car", "O", "event-other", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting" or "art-writtenart" preceded by ":".
The
Lincoln
MKT
was
unveiled
as
a
concept
vehicle
at
the
2008
North
American
International
Auto
Show
in
Detroit
,
MI
.
The:O
Lincoln:product-car
MKT:product-car
was:O
unveiled:O
as:O
a:O
concept:O
vehicle:O
at:O
the:O
2008:O
North:event-other
American:event-other
International:event-other
Auto:event-other
Show:event-other
in:O
Detroit:location-GPE
,:O
MI:location-GPE
.:O