| 摘要 |
To return a predetermined answer in a predetermined order, even in the event that user utterance contents differ from an original objective. A conversation control apparatus, which transmits an answer sentence in response to a user utterance, includes: a conversation data base storing a plurality of plans each including the answer sentence and next candidate prescription information which prescribes a next candidate answer sentence, which is an answer sentence due to be transmitted in an order succeeding the answer sentence; and a planned conversation processor which, in response to a first user utterance, selects a plan stored in the conversation data base, transmits an answer sentence included in the plan and, subsequently, in response to a second user utterance, based on next candidate prescription information included in the plan, transmits a next candidate answer sentence, wherein at least one portion of the plurality of plans, regardless of contents of a user utterance, includes an answer sentence and next candidate answer sentence in such a way as to transmit each question in a predetermined survey in a predetermined order.
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