protected IEnumerable <ConceptInstance> FindTurnInstances(Func <ConceptInstance, bool> predicate = null)
{
var instances = _generator.GetInputActivatedInstances(turnLimited: true);
foreach (var instance in instances.Select(i => i.Instance).Distinct())
{
if (predicate == null || predicate(instance))
{
yield return(instance);
}
}
}
