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 ":".
However
,
the
rocket
carrying
Vanguard
TV3
exploded
on
the
launch
pad
.
However:O
,:O
the:O
rocket:O
carrying:O
Vanguard:product-other
TV3:product-other
exploded:O
on:O
the:O
launch:O
pad:O
.:O