An apparatus comprising: a supply unit configured to supply a value of a state parameter of a piece of equipment to an operation model that is a model for operating the piece of equipment, the operation model being configured to output a recommendation value of a control parameter of the piece of equipment in response to the value of the state parameter being input; an operation unit configured to acquire the recommendation value of a control parameter that is output from the operation model in response to the supply unit supplying the value of the state parameter to the operation model; and operate the piece of equipment according to the recommendation value of the control parameter acquired from the operation model a simulator configured to acquire the recommendation value of the control parameter from the operation unit; and simulate an operation of the piece of equipment based on the recommendation value of the control parameter, wherein the supply unit is configured to acquire the state parameter of the piece of equipment from the simulator; an acquisition unit configured to acquire a model evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to the acquired recommendation value of the control parameter; and acquire a reference evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to a control parameter corresponding to a manipulation by a human to the simulator; an evaluation unit configured to evaluate the operation model, based on the model evaluation value and the reference evaluation value. a supply unit configured to supply a value of a state parameter of a piece of equipment to an operation model that is a model for operating the piece of equipment, the operation model being configured to output a recommendation value of a control parameter of the piece of equipment in response to the value of the state parameter being input; an operation unit configured to acquire the recommendation value of a control parameter that is output from the operation model in response to the supply unit supplying the value of the state parameter to the operation model; and operate the piece of equipment according to the recommendation value of the control parameter acquired from the operation model acquire the recommendation value of a control parameter that is output from the operation model in response to the supply unit supplying the value of the state parameter to the operation model; and operate the piece of equipment according to the recommendation value of the control parameter acquired from the operation model a simulator configured to acquire the recommendation value of the control parameter from the operation unit; and simulate an operation of the piece of equipment based on the recommendation value of the control parameter, wherein the supply unit is configured to acquire the state parameter of the piece of equipment from the simulator; acquire the recommendation value of the control parameter from the operation unit; and simulate an operation of the piece of equipment based on the recommendation value of the control parameter, wherein the supply unit is configured to acquire the state parameter of the piece of equipment from the simulator; an acquisition unit configured to acquire a model evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to the acquired recommendation value of the control parameter; and acquire a reference evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to a control parameter corresponding to a manipulation by a human to the simulator; acquire a model evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to the acquired recommendation value of the control parameter; and acquire a reference evaluation value corresponding to a result of having simulated the piece of equipment by the simulator according to a control parameter corresponding to a manipulation by a human to the simulator; an evaluation unit configured to evaluate the operation model, based on the model evaluation value and the reference evaluation value.