C++ question I need it ASSAP

Exercise 2: Consider the following C++ program declaration (This is not full program it is only like a pseudocode) class vehicle { 2 3 4 5 6 7- class car: public vehicle 8 9 protected: int x; public: void f()1...J; protected: int x1; 12 class small_car: public cart public: int x2; 16- class truck: public public: f)f...j; 18 int main () car obj1; 24 25 26 27 return e; For each of the following expressions, say whether it is allowed in the code of main or not, justify your answer. (you can edit and complete the code as you want to check your answers) objlx, objl.xl, objlx2