PROBLEM TO BE SOLVED: To provide a program, a method and an apparatus capable of recommending a keyword in creating an introductory text. SOLUTION: The method accepts a first keyword extracted from a first sentence of a first user, and based on data defining a semantic inclusion relationship between a plurality of keywords, from a second sentence of another user. From the extracted second keyword, a candidate keyword for which use or incidental use is recommended instead of the first keyword is specified, and the candidate keyword is transmitted to the terminal of the first user. [Selection diagram] FIG. 9
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