Consider the following grammar where S is the start symbol, and a and b are terminal symbols. S --> aSbS | bS | epsilon. Which of the following statements is/are true?(A) The grammar is ambiguous.(B) The string 'abb' has two distinct derivations in this grammar.(C) The string 'abab' has only one rightmost derivation.(D) The language generated by the grammar is undecidable.

Consider CFG G: S --> aba A B A bba; A --> aaBBAb | bBabaa; B --> aBb | ab. For s in L(G), n1(s) = c…

Consider the following context-free grammar G, where S, A, and B are the variables (non-terminals), …

Let G = (V, Sigma, S, P) be a context-free grammar in Chomsky Normal Form with Sigma = {a, b, c} and…

Consider a context-free grammar G with the following 3 rules: S --> aS, S --> aSbS, S --> c. Let w i…

Consider the context-free grammar G: S --> aSb | X; X --> aX | Xb | a | b. Which one of the followin…

For a string w, R(w) is the reverse. Which of the following languages is/are context-free?(A) {w x x…