With no explanation, label each line with "product-car", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
highest
selling
roadster
is
the
Mazda
MX-5
,
which
was
introduced
in
1989
.
The:O
highest:O
selling:O
roadster:O
is:O
the:O
Mazda:product-car
MX-5:product-car
,:O
which:O
was:O
introduced:O
in:O
1989:O
.:O