<s>
CometBird	B-Operating_System
was	O
a	O
web	B-Application
browser	I-Application
developed	O
from	O
the	O
source	O
code	O
of	O
Mozilla	B-Application
Firefox	I-Application
.	O
</s>
<s>
It	O
is	O
compatible	O
with	O
the	O
Windows	B-Device
98	I-Device
,	O
Windows	B-Application
2000	I-Application
,	O
Windows	B-Application
XP	I-Application
,	O
Windows	B-Application
Vista	I-Application
,	O
Windows	B-Device
7	I-Device
,	O
Windows	B-Application
8	I-Application
,	O
Windows	B-Device
8.1	I-Device
,	O
and	O
Windows	B-Operating_System
10	I-Operating_System
operating	O
systems	O
.	O
</s>
