<s>
Lotus	B-Operating_System
Approach	I-Operating_System
is	O
a	O
relational	B-Application
database	I-Application
management	O
system	O
included	O
in	O
IBM	O
's	O
Lotus	B-Operating_System
SmartSuite	I-Operating_System
for	O
Microsoft	B-Application
Windows	I-Application
.	O
</s>
<s>
The	O
program	O
was	O
considered	O
the	O
first	O
"	O
end-user	O
relational	B-Application
database	I-Application
"	O
that	O
did	O
not	O
introduce	O
yet	O
another	O
file	O
format	O
.	O
</s>
