APPARATUS AND METHOD FOR GENERATING A GUIDE SENTENCE

A server and a guide sentence generating method are provided. The method includes receiving user speech, analyzing the user speech, determining a category of the user speech from among a plurality of categories, storing the user speech in the determined category, determining a usage frequency and a popularity of each of the plurality of categories, selecting a category from among the plurality of categories based on the usage frequency and the popularity, and generating a guide sentence corresponding to the selected category.