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If a class called Point is present in namespace n1 as well as in namespace n2, then which of the following is the correct way to use the Point class?

 namespace FreshergateConsoleApplication 
 {   
    class MyProgram   
    {         
       static void Main(string[] args)       
       {              
           import n1;        
           Point x = new Point();        
           x.fun();           
           import n2;           
           PointPyi= new Point();              
           y.fun();         
       }
   }
 }

 import n1; 
 import n2;
 namespace FreshergateConsoleApplication 
 {    
     class MyProgram   
     {        
         static void Main(string[] args)       
         {             
             n1.Point x = new n1.Point();           
             x.fun();            
             n2.Point y = new n2.Point();           
             y.fun();         
     }        
   }
 }



 namespace FreshergateConsoleApplication
 {    
   class MyProgram   
   {        
       static void Main(string[] args)    
       {            
           using n1;      
           Point x = new Point();           
           x.fun();           
          using n2;            
          Point y = new Point();            
          y.fun();   
      } 
   }
 }

 using n1; 
 using n2; 
 namespace FreshergateConsoleApplication
 {   
    class MyProgram   
    {       
       static void Main(string[] args)      
       {          
           n1.Point x = new n1.Point();       
           x.fun();      
           n2.Point y = new n2.Point();          
           y.fun();       
      }   
    } 
 }