With no explanation, label each line with "O", "product-weapon", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
.41
AE
was
less
commercially
successful
than
the
10
mm
,
and
was
soon
discontinued
.
The:O
.41:product-weapon
AE:product-weapon
was:O
less:O
commercially:O
successful:O
than:O
the:O
10:O
mm:O
,:O
and:O
was:O
soon:O
discontinued:O
.:O