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 ":".
Individual
phone
products
,
or
families
,
often
had
SDKs
or
SDK
extensions
downloadable
from
the
maker
's
website
too
.
Individual:O
phone:O
products:O
,:O
or:O
families:O
,:O
often:O
had:O
SDKs:product-software
or:O
SDK:product-software
extensions:product-software
downloadable:O
from:O
the:O
maker:O
's:O
website:O
too:O
.:O