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Consider the following grammar: S = A 1 B 2 A = 2 A | 2 B = 1 B | 1 Which of the

Consider the following grammar:

S = A "1" B "2"

A = "2" A | "2"

B = "1" B | "1"

Which of the following strings are in the language generated by this grammar:

a. 2112

b. 22212

c. 221111

d. 22112

e. 121212

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