This task is about using the specified sentence and converting the sentence to Resource Description Framework (RDF) triplets of the form (subject, predicate object). The RDF triplets generated must be such that the triplets accurately capture the structure and semantics of the input sentence. The input is a sentence and the output is a list of triplets of the form [subject, predicate, object] that capture the relationships present in the sentence. When a sentence has more than 1 RDF triplet possible, the output must contain all of them.

Rizhao has an urban population of 1,143,078.
[['Rizhao', 'URBAN_AREA', '1,143,078']]

Domain of Heroes	 Release the Tandem Game in 2008 The type was MMORPG and the game flow Text-based RPG
[['Domain of Heroes', 'GAME_FLOW', 'Text-based RPG'], ['Domain of Heroes', 'DEVELOPER', 'Tandem Games'], ['Domain of Heroes', 'TYPE', 'MMORPG'], ['Domain of Heroes', 'RELEASE', '2008']]

The episode originally air on november 18 with salvatore giunta as a guest.

[['801', 'ORIGINAL_AIR_DATE', 'november 18'], ['801', 'GUEST', 'salvatore giunta']]