Abstract: A functional chair is disclosed. The functional chair includes a first plate that accommodates a hip and a thigh when a user is seated on the functional chair, a second plate that accommodates a waist and a back when the user is seated on the functional chair, and a connecting portion that connects the first plate and the second plate. The second plate may have an acupressure portion that adheres to the waist when the user is seated on the functional chair.

Abstract: Disclosed herein is a system and method for language education using a meaning unit and a relational question. The system for language education includes an information provider apparatus and a subscriber apparatus. The information provider apparatus stores sentences in a form of text data with each sentence divided into meaning units, stores relational questions in a form of text data to connect the meaning units to each other, and transmits the stored meaning unit text data and the stored relational question text data in learning order via a network. The subscriber apparatus receives and outputs the meaning unit text data and the relational question text data transmitted from the information provider apparatus, and transmits text data input by a subscriber to the information provider apparatus.