1. catch it and hold it until one or both of them died of exhaustion (after 2 hrs, 8 hrs, 24 hrs, 48 hrs).
and if the answer is #1. is that the trait that everyone truely desires and places the most priority on when considering whether a catchdog is a "true catchdog" or not??
Yes, but that demonstration of gameness shouldn't be said or taken lightly, most dogs will ultimately quit.