StatementTester

public class StatementTester {
    public static void main(String[] args){
        Statement s = new Statement("\"I own a teapot floating in space\"");
        System.out.print("The statement " + s.statement + " is ");
        if (s.isProven() == null){
            System.out.print("not proven");
        }
        else if (s.isProven() == false){
            System.out.print(false);
        }
        else{
            System.out.print(true);
        }
    }
}