| http://www.w3.org/ns/prov#value | - ection screen has been switched in accordance with an opening action or a closing action from a state in which an item on the first or second selection screen has been selected, the item remains selected in a form of a character or an icon corresponding to the first or second screen. [0021] It is also possible to employ a structure in which the main input unit includes a key capable of being two-d
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