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 ":".
Even
more
,
in
those
cases
where
users
declined
to
be
part
of
the
social
network
,
they
were
nonetheless
``
enrolled
in
certain
features
of
the
Google
Buzz
social
network
.
Even:O
more:O
,:O
in:O
those:O
cases:O
where:O
users:O
declined:O
to:O
be:O
part:O
of:O
the:O
social:O
network:O
,:O
they:O
were:O
nonetheless:O
``:O
enrolled:O
in:O
certain:O
features:O
of:O
the:O
Google:product-software
Buzz:product-software
social:O
network:O
.:O