static void OutPutSentence()
{
var dic = pool.RandomDic(random);
var keys = dic.Key.Split(' ');
Console.Write(dic.Key + " ");
do
{
var val = dic.RandomValue(random);
Console.Write(val + " ");
keys[0] = keys[1];
keys[1] = val;
dic = pool[keys[0] + " " + keys[1]];
}while (dic != null);
Console.WriteLine();
}