Cases:
- NOMINATIVE: [blank_start]subjective, the subject of the verb[blank_end]
- ACCUSATIVE: [blank_start]the direct object of the verb[blank_end]
- GENITIVE: [blank_start]possessive, noun modifying another noun[blank_end]
- DATIVE: [blank_start]the indirect object of the verb[blank_end]
- INSTRUMENTAL: [blank_start]noun used by subject to perform verb[blank_end]