With no explanation, label each line with "product-other", "O", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
After
the
Lucky
Ball
is
hit
,
it
immediately
changes
into
a
``
Life
Ball
``
,
reverting
the
hit
paddle
's
Core
to
its
original
green
state
.
After:O
the:O
Lucky:O
Ball:O
is:O
hit:O
,:O
it:O
immediately:O
changes:O
into:O
a:O
``:O
Life:product-other
Ball:product-other
``:O
,:O
reverting:O
the:O
hit:O
paddle:O
's:O
Core:O
to:O
its:O
original:O
green:O
state:O
.:O