You work as a Software Developer for ManSoft Inc. The company uses Visual Studio.NET 2005 as its application development platform. You have recently created an application that includes the code shown below.

string str1 = "ABC";

string str2 = "u";

str2 += "Certify";

Console.WriteLine(str1 == str2);

Console.WriteLine((Object) str1 == (Object) str2);

Console.WriteLine(str1.Equals(str2));

What will be the output of the above code?