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 ":".
This
hull
was
used
on
newly
constructed
M48A2
and
M48A3
tanks
of
the
M48
series
.
This:O
hull:O
was:O
used:O
on:O
newly:O
constructed:O
M48A2:product-weapon
and:O
M48A3:product-weapon
tanks:product-weapon
of:O
the:O
M48:product-weapon
series:O
.:O