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]: Erin Elmore is an attorney from Philadelphia.
[EX A]: [['Erin Elmore', 'HOMETOWN', 'Philadelphia, Pennsylvania'], ['Erin Elmore', 'BACKGROUND', 'Attorney']]

[EX Q]: Al jefferson (9 had all the high rebounds when kevin love (20) scored the highest points.
[EX A]: [['5', 'HIGH_REBOUNDS', 'al jefferson (9)'], ['5', 'HIGH_POINTS', 'kevin love (20)']]

[EX Q]: The runway length of Athens International Airport is 4000.0.
[EX A]:
[['Athens International Airport', 'RUNWAY_LENGTH', '4000.0']]