<s>
Synchronous	B-General_Concept
context-free	I-General_Concept
grammars	I-General_Concept
(	O
SynCFG	O
or	O
SCFG	O
;	O
not	O
to	O
be	O
confused	O
with	O
stochastic	B-General_Concept
CFGs	I-General_Concept
)	O
are	O
a	O
type	O
of	O
formal	O
grammar	O
designed	O
for	O
use	O
in	O
transfer-based	B-General_Concept
machine	I-General_Concept
translation	I-General_Concept
.	O
</s>
