A robotic system includes: a detection unit that detects at least one of a voice, light and an image of a content outputted by a content output device; a decision unit that assesses information detected by the detection unit on the basis of reference data so as to assess the content outputted by the content output device; and a control unit that controls a behavior or a state of the robotic system on the basis of the assessment made by the decision unit.
Robotic system, robot control method and robot control program