public class Student { private Student next; private String name, id; public Student (String n, String 1) { name = n; id = i; next = null; public void setNext (Student 3){ public Student getNext() { return next: public class LinkList private Student first; public LinkList() { first = null; public boolean isEmpty() { //returns true if the list is empty, false if it has at least one element public void push (Student 3){ //inserts the element in the front of the list Which of the following code snippets would properly complete method insert, which should add the supplied Student object to the front of the list. O first = 5; S.setNext (first); Os.setNext (first); s.setNext (first); first = s; s.setNext (last)