NS_count = 0;
/******************* Receive Question *********************/
public override void doRecvQuestion()
{
NS_count++;
}
/******************** Response Answer **********************/
public override void ResponseAnswer()
{
string tmp=ts.LastQuestion.Replace("=?","");
int ans=ts.Eval(tmp);
byte ans_index=Convert.ToByte(ts.LastAnswers[ans.ToString()]);
ts.Answer(ans_index);
}