<s>
The	O
Steiner	O
traveling	B-Algorithm
salesman	I-Algorithm
problem	I-Algorithm
(	O
Steiner	B-Algorithm
TSP	I-Algorithm
,	O
or	O
STSP	O
)	O
is	O
an	O
extension	O
of	O
the	O
traveling	B-Algorithm
salesman	I-Algorithm
problem	I-Algorithm
.	O
</s>
