Conversation support device, conversation support system, conversation support method, and storage medium

A conversation support method for use in a conversation support device, the conversation support method comprising:

• a topic analysis process of extracting a word or a phrase of a prescribed topic from utterance text representing utterance content;
• a search process of searching for reference text related to the topic in a storage portion in which an utterance history including previous utterance text is saved;
• and
• a display processing process of outputting the utterance text and related information about the reference text in association with each other to a display portion.