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]: Ethylcellulose can be derived using chloroethane, and it is water insoluble.
[EX A]: [['Ethylcellulose', 'REAGENT_EXAMPL7', 'Chloroethane'], ['Ethylcellulose', 'WATER_SOLUBILITY', 'Water insoluble']]

[EX Q]: The original air date for the episode "A Pig in a Poke" is March 9, 1966.
[EX A]: [['a pig in a poke', 'ORIGINAL_AIR_DATE', 'march9,1966']]

[EX Q]: In city centre is an averagely rated adult coffee shop called Aromi which serves French food.
[EX A]:
[['Aromi', 'eatType', 'coffee shop'], ['Aromi', 'food', 'French'], ['Aromi', 'customer rating', 'average'], ['Aromi', 'area', 'city centre']]