2) Now, Apple is planning to introduce conventions for all class names. According to this new convention, Z* compiler will only allow those class names that start with a set of vowels followed by a set of consonants and end with a vowel set. The two vowel sets can have different elements, but the total elements in both vowel sets have to be equal. Besides, elements of the first vowel set are equal with the total elements of the other vowel set. On the other hand, the consonant set has no such constrains. Furthermore, these names are read the same backward as forward. Hence, develop Context Free Grammar, which only identifies such class names.

3)Prepare the Non-Deterministic Push-Down Automaton to identify all class names that fall under the