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 ":".
These
core
drills
are
harder
than
the
Standard
HSS
core
drills
which
gives
better
performance
to
drill
harder
material
.
These:O
core:O
drills:O
are:O
harder:O
than:O
the:O
Standard:product-other
HSS:product-other
core:O
drills:O
which:O
gives:O
better:O
performance:O
to:O
drill:O
harder:O
material:O
.:O