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
Han
EV
is
the
pure
electric
version
of
the
Han
sedan
.
The:O
Han:product-car
EV:product-car
is:O
the:O
pure:O
electric:O
version:O
of:O
the:O
Han:product-car
sedan:product-car
.:O