please answer all the points.

Question 2: (12 marks] Given the following class diagram, which of the following statements is valid (or correct)? For invalid (or incorrect) ones, explain the reason. > Person Student Section 1. 2. 3. Person p = new Person(); Person p = new Student(); There is an inheritance relationship between Section and Student All variables of Person should be declared public static final Student could have abstract methods The default value for a local variable of type Section is null 4. 5. 6