Question: Let L1 and L2 be context-free languages which are not regular, and let L3 be a regular language. De- termine whether the following languages are

Let L1 and L2 be context-free languages which are not regular,

Let L1 and L2 be context-free languages which are not regular, and let L3 be a regular language. De- termine whether the following languages are necessarily CFLs or not. If they need to be context-free, explain your reasoning. If not, give one example where the language is a CFL and a counter example where the language is not a CFL

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