Which of the following is correct regarding Union Public Service Commission?
1. It is the 'watch-dog of merit system' in India
2. Conducts recruitment to the all India services and Central services-group A and group B.
3. Involved in classification of services, pay and service conditions, cadre management and training.
Select the correct option:

A. public class Circle implements Shape { private int radius; }B. public abstract class Circle extends Shape { private int radius; }C. public class Circle extends Shape { private int radius; public void draw(); }D. public abstract class Circle implements Shape { private int radius; public void draw(); }E. public class Circle extends Shape { private int radius; public void draw() { /* code here */ } }F. public abstract class Circle implements Shape { private int radius; public void draw() { /* code here */ } }