Where no direct evidence of an accident exists and the plaintiff has no memory of the event, a tribunal of fact may draw inferences of negligence from slim circumstantial evidence provided the inference goes beyond speculation. The presence of physical evidence (a freshly broken tree branch near the plaintiff, a defective platform subsequently repaired, and the defendant's reluctance to cooperate with investigators) can together support an inference of negligence even where no single piece of evidence is conclusive.
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