an Entity references as follows:
It is an adjective, which expresses the character and feature of subject or an object, while modifying a noun. ང་འ ་ ང ་ འ ག། Shing-di rim du 'The tree is tall' (http://panl10n.net/english/Outputs%20Phase%202/CCs/Bhutan/Papers/2007/0701/PartOfSpeech.pdf)