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.

The 20 h koruna is 1.7 mm thick and 0.74 g mass.
[['99% aluminium 1% magnesium', 'THICKNESS', '1.7mm'], ['20 h', 'COMPOSITION', '99% aluminium 1% magnesium'], ['99% aluminium 1% magnesium', 'MASS', '0.74 g']]

AFC Ajax (Amateurs) competed in the 2014 season.
[['AFC Ajax (amateurs)', 'SEASON', '2014']]

On the riverside is the coffee shop Aromi. It serves fast food for all the family.  Aromi has a low customer rating.

[['Aromi', 'eatType', 'coffee shop'], ['Aromi', 'food', 'Fast food'], ['Aromi', 'customer rating', 'low'], ['Aromi', 'area', 'riverside']]