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.

Q: The Vaults sushi bar has low prices but is not suitable for a family.

A: [['The Vaults', 'priceRange', 'less than £20']]
****
Q: Cocum is a coffee shop serving high quality Italian food that is low priced and family friendly.

A: [['Cocum', 'eatType', 'coffee shop'], ['Cocum', 'food', 'Italian'], ['Cocum', 'priceRange', 'cheap'], ['Cocum', 'customer rating', '5 out of 5'], ['Cocum', 'familyFriendly', 'yes']]
****
Q: The altitude of the 1.4 megatons explosion was 400 km.

A:
[['Starfish Prime', 'YIELD_(APPROXIMATE)', '1.4 megatons'], ['Starfish Prime', 'ALTITUDE_(KM)', '400']]
****