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Which of the following option is correct regarding dependability?
A.    Given a regular language R and context-free C. Is every string in R also in C, i.e., Is L(R)⊆L(C) decidable?
B.    Given a regular language R and context-free C. Is every string in C also in R, i.e., Is L(C)⊆L(R) decidable?

C.  Both (A) and (B)

D.    None of these

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