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.

[Q]: The United States of America`s Chief Justice is John Roberts.
[A]: [['United States', 'LEADER_NAME', 'John Roberts']]


[Q]: Alan Buck joined at 1st August 1964
[A]: [['Alan Buck', 'DATE_JOINED', '1964-08-01 00:00:00']]


[Q]: The Dumpling Tree is a high priced restaurant located in the city centre.
[A]:
[['The Dumpling Tree', 'eatType', 'restaurant'], ['The Dumpling Tree', 'priceRange', 'more than £30'], ['The Dumpling Tree', 'area', 'city centre']]