3. The apparatus according to claim 1 , wherein the processing circuitry is further configured to: control presentation of information on the item selected in accordance with the user's preference by displaying the word corresponding to the feature quantity in a format different from other words out of words constituting a comment, the word contributing to the selection of the item.
6. The apparatus according to claim 3 , wherein the comment information is used for displaying information on the item on a predetermined web site.