5. (10) Compare uit answers in Problem 4 different from those in Problem ! 6. [10] Following is an abstract syntax for the grammar in Problem Expr =Vaniable Value | Binary | Unary Binary = Operator op: Expr term, term2 Unary - Operator op: Expr term Variable = PIQRIS Operator = -11/ Draw an abstract syntax tree for the expression P Q R Use the concreto syntax tree from Problem (3-a) as a guide write a short paragraph that describes their Number 3 la) using the following expression grammer Expr term + Exprl Term - Exp Term Term Term * Factor / Term/ actor I Factor Factor P Q R S Draw a parse tree for each expressions below. i) P* Q *.R Expr Term Term & Factor Term & Factor Team & facter Factor 9 ii) P t Q * R Expr Term + Expr Factor Term I Ten & Factor Factor Expr ;;i) PtQ+R Term + Expr Exp term Factor Factor Term Factor RA Homework Number 4 (a) Using the following expression Grammar Expr - Expr t Term | Term- Exer | Term Term & Term Factor | Term / Factor I Factor Factor P Q IRIS Draw a parse tree for each expressions below il PxQAR Expor Term Factor Term & Factor Q Factor P 21:) Expr P + Q +R Expr iile + Q x R + Term expr & Expr Teim Teim & Factor Exp & Term Term Factor Factor R Factor Term Factor R