A semiconductor device according to an embodiment includes a stacked body, a second insulating film, a third insulating film and a plurality of contacts. The onset of an off-load transient may be determined. The cognitive model is the theoretical basis of the entire invention, describes the way humans learn and interact in general terms, provides a mathematical basis for natural language learning and interaction and establishes a basis for detailed computer implementation of the theory. Linear distractors may enable an operator to move the rings towards and away from each other, while angular distractors may enable an operator to angle the rings relative to each other.