Cynefin calls this process "probe–sense–respond".[1] Hard insurance cases are one example. "Hard cases ... need human underwriters," Stewart writes, "and the best all do the same thing: Dump the file and spread out the contents." Stewart identifies battlefields, markets, ecosystems and corporate cultures as complex systems that are "impervious to a reductionist, take-it-apart-and-see-how-it-works approach, because your very actions change the situation in unpredictable ways."[2]