<https://lengocbao.com/#/schema/person/ecc6484f3c323f057541ce9b50449803>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://lengocbao.com/chu-ngu-subjective-vi-ngu-objective-va-dai-tu-so-huu-possessive-pronouns/>