Which of the options is the weakestspecification technique (according to layers in the ChomskyHierarchy) that can describe this language, and what is thespecification of the language?
2A. lists of digits such as ( 5, 4, 6, 3 ) including the enclosing ( )
A. regularexpression C. pseudorational grammar
B. context free grammar D. language expression
2B. LanguageSpecification?________________________________________________________
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