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.

Example Input: The Gwacheon International SF Festival will take place in Gwacheon, Gyeonggi-do in South Korea.
Example Output: [['Gwacheon International SF Festival', 'LOCATION', 'Gwacheon, Gyeonggi-do  South Korea']]

Example Input: In riverside area, near Café Adriatic, there is Travellers Rest Beefeater. Travellers Rest Beefeater has a high rate by customers and its price range is £20-25.
Example Output: [['Travellers Rest Beefeater', 'priceRange', '£20-25'], ['Travellers Rest Beefeater', 'area', 'riverside'], ['Travellers Rest Beefeater', 'near', 'Café Adriatic']]

Example Input: The hub airport for Turkmenistan Airlines is Turkmenabat Airport.
Example Output:
[['Turkmenistan Airlines', 'HUB_AIRPORT', 'Turkmenabat Airport']]