4. The following questions refer to the grammar shown below: I <expr> – <term> <term> <term> → <term> * <factor> | 〈erm〉 / <factor> 〈actor> | <factor> → <exp> ** <factor> | <exp> (a) Give a rightmost derivation of the sentence (A-B) / C**D (b) List all phrases in the sentence (A-B) / C**D (c) List all simple phrases in the sentence (A-B) / C**D (d) What is the handle of the sentence
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