Abstract: A client 2 includes a transmission unit 2d for transmitting the input speech information over a network to a server system 3 and an output unit 2b for receiving the contents selection information from the server system 3 over the network to output the received information. The server system 3 includes a prepared information storage unit 9b for memorizing one or more pieces of the preparation information pertinent to each contents, from one contents to another, and an information preparing server 7 for preparing the contents selection information based on the speech information received from the client 2 over the network and on the preparation information to send the so-prepared contents selection information to the client 3 over the network.