conversation state illustrated in fig4 is identified by the state id u201c 1 u201d upon transition to this state the system outputs data of the message u201c hello what will be done from now out u201d and in this condition it is assumed that there are four input command for u201c dinner u201d u201c entertainment u201d u201c shopping u201d u201c end u201d state id after inputting respective command is respectively u201c 2 u201d u201c 3 u201d u201c 4 u201d and u201c 999 u201d a part of the conversation scenario 13 generated by preparing a plurality of such state data are shown in fig5 a to 5 d in this example in the initial state the state id is u201c 1 u201d here when u201c dinner u201d is input the state is transit to the state id u201c 2 u201d if u201c any other u201d or u201c no u201d is input the state id becomes u201c 10 u201d if u201c please explain u201d is input the state transits to state id u201c 11 u201d on the other hand if u201c list up u201d is input the state id transits to state u201c 12 u201d next the alternative input list 16 in the foregoing example will be shown at first immediately after initiation of operation in the initial state id u201c 1 u201d since the input of the user is not obtained nothing will be done in transition state after inputting of u201c dinner u201d by the user if nothing is input by the user for the given period u201c please explain u201d is output on behalf of the user the same is true even in the case where the user selects u201c entertainment u201d or u201c shopping.