1. A robot control system including a robot that outputs an utterance content to a user in an exhibition hall placing an exhibition, comprising: a recording module that records to a memory device an inspection action of a user at a time of attendance of the user in the exhibition hall as a history, the history comprises the exhibition placed in the hall and an inspection time period spent by the user for inspection as to the exhibition; and a first output module that, when the user attends again, determines an appropriate utterance content by using the history associated with the attending user, and makes the robot output the determined utterance content.
1. A robot control system including a robot that outputs an utterance content to a user in an exhibition hall placing an exhibition, comprising: a recording module that records to a memory device an inspection action of a user at a time of attendance of the user in the exhibition hall as a history, the history comprises the exhibition placed in the hall and an inspection time period spent by the user for inspection as to the exhibition; and a first output module that, when the user attends again, determines an appropriate utterance content by using the history associated with the attending user, and makes the robot output the determined utterance content. 2. A robot control system according to claim 1 , wherein the first output module makes the utterance content that is determined based on the history of inspection action at a last time attendance of the user be output.