About this resource:
using basic particles to mark case and other basic functions of nouns in a sentence, for example, -이/가, -을/를, -은/는, -에, -에서, -하고
About this record:
http://rdf.australiancurriculum.edu.au/elements/2018/05/a6f033bc-b54b-4db5-8df8-bac6d50b6cdf.rdf