DETERMINING APPARATUS, DETERMINING METHOD, AND PROGRAM

A judgement device according to an embodiment includes an acquisition unit, a determination unit, a judgement unit, and an update unit. The acquisition unit acquires data of a sentence consists of at least two words. The determination unit determines a verb and an object word from among words included in the data. The judgement unit refers to group label information indicating which of a verb or an object word a word included in a label representing a sentence representative of a group including one or more sentences having the same meaning corresponds to, and judges which label a synonym of the determined verb and a synonym of the object word correspond to. The update unit associates a sentence with a judged label and updates the group label information when it is possible to judge which label a synonym of a verb and a synonym of an object word correspond to.