Abstract: The decision apparatus according to one example embodiment of the present disclosure includes at least one memory configured to store an instruction, and at least one processor configured to execute the instruction. The processor executes the instruction, and thereby calculates a degree of necessity of generation of a document relating to a decision target person, by inputting state information of the decision target person with respect to a learning model being learned by using learning data including state information of a person and information indicating whether generation of the document relating to the person is necessary or unnecessary, and decides whether to output an alert related to document generation of the decision target person, by using the calculated degree of necessity and information indicating whether the document is actually generated for the decision target person.