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 ":".
Sub-Launched
and
Air
Launched
variants
under
development
or
testing
.
Sub-Launched:product-weapon
and:O
Air:product-weapon
Launched:product-weapon
variants:O
under:O
development:O
or:O
testing:O
.:O