Provided are an acquisition unit acquiring data including at least sound information uttered by a subject; a detection unit detecting feelings of the subject using the acquired data; a decision unit deciding weighting coefficients for data acquired in accordance with the detected feelings of the subject; a calculation unit calculating energy which involves in human emotions and organ activities with the data and the coefficients; a plurality of elements, each has a material changing a state in accordance with input of the energy calculated by the calculation unit, outputting signals each of which indicates the change in the state of the material as homeostasis in each of the human emotions and the organ activities; an emergence unit deciding feelings and intentions in accordance with the change in the state of the material included in the signals output from each of the plurality of elements; and a control unit performing phase transition of the state of the material in each of the plurality of elements when an amount of change in the state of the material in at least one element among the plurality of elements is equal to or less than a predetermined amount or when the state of the material in at least one element among the plurality of elements is in a predetermined state.
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