public static SingleDuckSimulator GetSingleSimulator(Duck d, int quackDelay, int flyAwayDelay)
 {
     var simDuck = new SingleDuckSimulator {Duck = d, SecondsDelay = quackDelay, SecondsTilFlyAway = flyAwayDelay};
     return simDuck;
 }
 public static SingleDuckSimulator GetSingleSimulator(Duck duck)
 {
     return GetSingleSimulator(duck, Random.Next(1, 5), Random.Next(6, 20));
 }