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 Input:
Christopher chulack directed the episode that has 3x6752 listed as the production code.

Ex Output:
[['punching water', 'PRODUCTION_CODE', '3x6752'], ['punching water', 'DIRECTED_BY', 'christopher chulack']]


Ex Input:
The 12th rank is Semi-Tough from studio United Artists with the gross amount $37,187,139.

Ex Output:
[['Semi-Tough', 'RANK', '12.'], ['Semi-Tough', 'STUDIO', 'United Artists'], ['12.', 'GROSS', '$37,187,139']]


Ex Input:
Stephen hootstein wrote the episode with 3.92 million US viewers.

Ex Output:

[['good advices', 'WRITTEN_BY', 'stephen hootstein'], ['good advices', 'U.S._VIEWERS_(MILLION)', '3.92']]