1. An input apparatus comprising: an example storage module to store a plurality of example expressions; an edit storage module to store edits when a user edits the plurality of example expressions; a presentation example determining module to determine one or more presentation examples to be presented to the user from the plurality of example expressions stored in the example storage module; an edit adapting module to edit the presentation examples determined by the presentation example determining module based on the edits stored in the edit storage module; a display control module to present the presentation examples determined by the presentation example determining module to the user; and an entry accepting module to accept one of the presentation examples as a selected example when one of the presentation examples is selected by the user, or to receive edits from the user to one of the presentation examples and accept the edited presentation example as the selected example.