With no explanation, label each line with "O", "product-software", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
WebWork
framework
spun
off
from
Apache
Struts
1
aiming
to
offer
enhancements
and
refinements
while
retaining
the
same
general
architecture
of
the
original
Struts
framework
.
The:O
WebWork:product-software
framework:O
spun:O
off:O
from:O
Apache:product-software
Struts:product-software
1:product-software
aiming:O
to:O
offer:O
enhancements:O
and:O
refinements:O
while:O
retaining:O
the:O
same:O
general:O
architecture:O
of:O
the:O
original:O
Struts:product-software
framework:O
.:O