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.

Input: Consider Input: Antwerp International Airport serves the city of Antwerp which is in Belgium, where the capital is Brussels.

Output: [['Antwerp International Airport', 'CITY_SERVED', 'Antwerp'], ['Antwerp', 'COUNTRY', 'Belgium'], ['Belgium', 'CAPITAL', 'City of Brussels']]


Input: Consider Input: Jim Les from is the United States.

Output: [['Jim Les', 'NATIONALITY', 'United States']]


Input: Consider Input: Joe Biden is a leader of the United States.


Output: [['United States', 'LEADER_NAME', 'Joe Biden']]