The question is based on scheme. please answer accordingly.

An Attribute Grammar for Simple Assignment Statements 1. Syntax rule: = Semantic rule: .expected_type + .actual_type 2. Syntax rule: [2] + [3] Semantic rule: .actual_type if ([2].actual_type = int) and ([3].actual_type = int) then int else real end if Predicate: .actual_type == .expected_type 3. Syntax rule: Semantic rule: .actual_type + .actual_type Predicate: .actual_type == .expected_type 4. Syntax rule: ABC Semantic rule: .actual_type + look-up (.string) The look-up function looks up a given variable name in the symbol table and returns the variable's type. . Create a parse tree for the statement B=C Show the flow of attributes in the parse tree for the statement B=C Create a fully attributed parse tree for the statement B=C Assume C is int and B is real