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.

Example Input: Rizhao has an urban population of 1,143,078.
Example Output: [['Rizhao', 'URBAN_AREA', '1,143,078']]

Example Input: The episode with title interplanet janet is performed by lynn ahrens.
Example Output: [['Interplanet Janet', 'PERFORMED_BY', 'Lynn Ahrens']]

Example Input: Cocum is a modern coffee shop specializing in French pastries and coffee with prices averaging more than  £30.  Cocum has been giving a low customer rating because it is not child friendly.
Example Output:
[['Cocum', 'eatType', 'coffee shop'], ['Cocum', 'food', 'French'], ['Cocum', 'customer rating', 'low'], ['Cocum', 'familyFriendly', 'no']]