Choose the correct answer from the options given below:

• Context-Free Grammar (CFG): LHS must be a single non-terminal.

• Regular Grammar: More restricted (linear form).

Checking each:

• A: Has aS → aA (LHS not a single non-terminal) → Not CFG

• B: All rules single non-terminal but right-linear → Regular (not only CFG)

• C: All LHS are single non-terminals, not linear → Only CFG

• D: All LHS single non-terminal, not regular → Only CFG

• E: Contains ε-production and linear rules → Regular