An object of the present invention is to provide a language learner with an opportunity to practice a language efficiently and to maintain the motivation of a language learner. On the display unit 16, a bundle of language cards is displayed. Each card describes information defining the conversation that is going on between the teacher and the learner. In the direction content card 30, information for defining a conversation for determining the direction of the ball is described. In the club content card 32, information for defining a conversation for the learner to determine the type of golf club is described. In the club distance card 34, information specifying conversation for determining the distance of the ball is written. The teacher or the learner displays the language card on the display unit 16 and proceeds the game based on the display contents of the language card.
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