1.

The equivalent production rules corresponding to the production rules S ? Sa1 |Sa2 | ß1 | ß2 is

A. S ? ß1 | ß2, A ? a1A | a2A | ?
B. S ? ß1| ß2| ß1A | ß2A, A ? a1A | a2A
C. S ? ß1 | ß2, A ? a1A | a2A
D. S ? ß1 | ß2 | ß1A | ß2A, A ? a1A | a2A | ?
Answer» E.


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