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 ":".
In
Spring
2015
,
production
of
the
Ford
F-650
and
F-750
began
.
In:O
Spring:O
2015:O
,:O
production:O
of:O
the:O
Ford:product-car
F-650:product-car
and:O
F-750:product-car
began:O
.:O