PROBLEM TO BE SOLVED: To utilize the characteristics of an intent and a slot in order to learn a highly accurate model for learning a model used for recognizing an intent and a slot. A model learning device (2) of a model learning system (1) uses a loss that increases when the intents and slots recognized for the training data do not satisfy the constraint of the relationship between the intents and the slots defined in advance. The model learning unit 11 for learning the intention interpretation model is provided, thereby reducing the probability that the intention interpretation model after learning recognizes the intent and the slot in a combination that does not satisfy the constraint of the relationship between the intent and the slot. .. [Selection diagram] Fig. 1
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