#grammatical_case__grammaticalcase__case  nouns or pronouns or adjectives (often marked by inflection) related in some way to other words in a sentence
  supertype:  grammatical_category__grammaticalcategory__syntactic_category__syntacticcategory  a category of words having the same grammatical properties
  subtype:  nominative_case__nominative__subject_case__subjectcase  the category of nouns serving as the grammatical subject of a verb
  subtype:  oblique_case__obliquecase__oblique  any grammatical case other than the nominative
     subtype:  accusative_case__accusative__objective_case__objectivecase  the category of nouns serving as the direct object of a verb
     subtype:  dative_case__dative  the category of nouns serving as the indirect object of a verb
     subtype:  genitive_case__genitive__possessive_case  the case expressing ownership
     subtype:  locative_case__locative  the case indicating where the action described by the verb occurred
     subtype:  instrumental_case__instrumental  the case indicating the instrument used in performing the action of the verb
     subtype:  vocative_case__vocative  the case (in some inflected languages) used when the referent of the noun is being addressed
     subtype:  ablative_case__ablative  the case indicating the agent in passive sentences or the instrument or manner or place of the action described by the verb

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