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:
Oyster sauce is an ingredient in Beef kway teow.

Ex Output:
[['Beef kway teow', 'INGREDIENT', 'Oyster sauce']]


Ex Input:
Olive oil is an ingredient in Ajoblanco which is from Andalusia, the leader of which is Susana Diaz. Andalusia is in Spain where the leader is Felipe VI of Spain.

Ex Output:
[['Spain', 'LEADER_NAME', 'Felipe VI of Spain'], ['Ajoblanco', 'REGION', 'Andalusia'], ['Andalusia', 'LEADER_NAME', 'Susana Díaz'], ['Ajoblanco', 'INGREDIENT', 'Olive oil'], ['Ajoblanco', 'COUNTRY', 'Spain']]


Ex Input:
The train to Peterborough East is operated by LNWR.

Ex Output:

[['Peterborough East', 'OPERATOR', 'LNWR']]