Question: Consider the grammars: G 1 : S SaS | aa | a G 2 : S SS | G 3 : S SS | a

Consider the grammars:

G1: S SaS | aa | a

G2: S SS |

G3: S SS | a

G4: S SS | aa

G5: S Sa | a

G6: S aSa | aa | a

G7: S SAS |

Describe the language of each of these grammars. Then, identify from the list below a pair of grammars that define the same language.

a) G1, G5

b) G5, G7

c) G6, G4

d) G1, G2

I couldn't understant. Tried many ways. plz explain what is the answer and how? Thanks!!!!!!!!!!!

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