public class X {  public static void main （String[]args）  {  String s1 = new String （“true”）；  Boolean b1 = new Boolean （true）；  if （s2.equals（b1））   {  System.out.printIn（“Equal”）；  }  }  }      What is the result？（）  

A、 The program runs and prints nothing.

B、 The program runs and prints “Equal”

C、 An error at line 5 causes compilation to fail.

D、 The program runs but aborts with an exception.