static void Main(string[] args)
{
var fact = new Fact(new FactId(Guid.NewGuid()), "Hello world");
fact.UpdateTitle("Hello world 2");
fact.UpdateBody("This is the body if Hello World");
fact.Publish();
fact.Upvote();
fact.Comment("Nice article");
fact.Downvote();
fact.Comment("Not so good");
fact.Delete();
PrintToConsole(fact);
}