That is true, and it would rely on all events being a part of the sequence of events leading to the hazardous situation.
This makes P2 simply a case of medical probabilities and picking an appropriate harm out of the list, as we know that the probability of harm and severity of harm are on a continuum. You can stub your toe and die, but you're more likely to just have some minor discomfort.
When is a hazardous situation?
