PROBLEM TO BE SOLVED: To assist learning a language corresponding to situations in a virtual space.;SOLUTION: A processor 151 executes processing of : a step (S1225) for displaying a screen to learn a foreign language in a virtual space; a step (S1230) for displaying a screen prompting to select a situation in the virtual space; a step (S1235) for displaying exemplary sentences corresponding to the situation selected by a user in the HMD-based virtual space; a step (S1240) for detecting that a word has been selected by the user; and a step (S1245) for saving the word selected by the user into a personalized wordbook.;SELECTED DRAWING: Figure 12;COPYRIGHT: (C)2018,JPO&INPIT
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