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.

[EX Q]: Flights to Houston were the second busiest at the Playa de Oro International Airport, via United Express.
[EX A]: [['United States, Houston', 'AIRLINE', 'United Express'], ['United States, Houston', 'PASSENGERS', '5,465'], ['[TABLECONTEXT]', 'CITY', 'United States, Houston'], ['[TABLECONTEXT]', '[TITLE]', 'Playa de Oro International Airport'], ['5,465', 'RANK', '2']]

[EX Q]: Charles w. whalen, jr. (r) unopposed were the candidates in the districts that was first elected in 1966.
[EX A]: [['Ohio 3', 'INCUMBENT', 'Charles W. Whalen, Jr.'], ['Charles W. Whalen, Jr.', 'FIRST_ELECTED', '1966'], ['Ohio 3', 'CANDIDATES', 'Charles W. Whalen, Jr. (R) Unopposed']]

[EX Q]: Rolando Maran is in the Unione Triestina 2012 S.S.D. club.
[EX A]:
[['Rolando Maran', 'CLUB', 'Unione Triestina 2012 S.S.D.']]