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A grammar is Context Free if:

  • A: there is at most one production with a given nonterminal on the left side
  • B: the grammar is free from recursion
  • C: there is at most one nonterminal on the right side of any production
  • D: there are no terminal symbols around a nonterminal on the right side of a production
  • E: the left side of every production is one nonterminal

    Answer