Proposal presentation method and non-transitory computer-readable storage medium

A non-transitory computer-readable storage medium storing an improvement proposal presentation program that causes a computer to execute a process, the process comprising:

• estimating a dialogue stage for each dialogue of a plurality of dialogues included in a conversation based on the plurality of the dialogues and a first large language model;
• estimating a final dialogue stage among dialogue stages as a dropout stage of the conversation;
• and
• outputting an improvement proposal according to the dropout stage based on a dialogue content of the plurality of the dialogues, the dropout stage, and the first large language model.