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: The largest ethnic group in Doline is Hungarians.
Example Output: [['Doline', 'LARGEST_ETHNIC_GROUP_(2002)', 'Hungarians']]

Example Input: 200 Public Square is located at Public Square, Cleveland.
Example Output: [['200 Public Square', 'LOCATION', 'Public Square, Cleveland']]

Example Input: The Waterman, north of City Centre is located off the river.
Example Output:
[['The Waterman', 'area', 'riverside']]