Class1 referenceclass1 = new Class1(word);
referenceclass1.word = "area";
referenceclass1.sentence = "area is a word";
referenceclass1.letters = 12;
Class1 referenceclass2 = new Class1("apple", "apple is a fruit", 13);
Console.WriteLine(referenceclass1.IsWord());
Console.WriteLine(referenceclass2.IsWord());