Provided is an automatic response system for an automatic response of a chatting while reducing an investment in a calculator required for learning processing of artificial intelligence. A terminal device comprises: a chatting pattern generation unit which generates chatting pattern information which is a pattern between an input fragment which is an input of a chatting and a response fragment which is a response to the corresponding input fragment; a learning processing unit which performs relative learning processing with respect to a response fragment and an input text corresponding to an input fragment according to the generated chatting pattern, and outputs knowledge data for analyzing a learning processing result input; a response knowledge data transmission unit which transmits response knowledge data based on the response fragment included in the chatting pattern generated by the chatting pattern generation unit to an automatic response server device; and an input analysis knowledge data transmission unit which transmits input analysis knowledge data outputted from the learning processing unit to the automatic response server device.
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