With no explanation, label each line with "O", "organization-company", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
Since
then
,
Fry
's
Electronics
has
aggressively
tried
to
defend
its
trademark
and
domain
names
.
Since:O
then:O
,:O
Fry:organization-company
's:organization-company
Electronics:organization-company
has:O
aggressively:O
tried:O
to:O
defend:O
its:O
trademark:O
and:O
domain:O
names:O
.:O