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.

Oyster sauce is an ingredient in Beef kway teow.
[['Beef kway teow', 'INGREDIENT', 'Oyster sauce']]

David Raine was previously in Doncaster Rovers club.
[['David Raine', 'PREVIOUS_CLUB', 'Doncaster Rovers']]

The Waterman is a low priced restaurant in the riverside area providing food and drinks. Family friendly. Rated one star.

[['The Waterman', 'eatType', 'restaurant'], ['The Waterman', 'priceRange', 'less than £20'], ['The Waterman', 'customer rating', 'low'], ['The Waterman', 'area', 'riverside'], ['The Waterman', 'familyFriendly', 'yes']]