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: Elliot See was born on July 23rd, 1927 served as a test pilot and died in St Louis..
Example Output: [['Elliot See', 'DEATH_PLACE', 'St. Louis'], ['Elliot See', 'DATE_OF_BIRTH', '"1927-07-23"'], ['Elliot See', 'OCCUPATION', 'Test pilot']]

Example Input: English is the language both of Great Britain and the United States, where Barack Obama is the leader. Alcatraz Versus the Evil Librarians originates from The US where you can find the ethnic group of African Americans.
Example Output: [['English language', 'SPOKEN_IN', 'Great Britain'], ['United States', 'LANGUAGE', 'English language'], ['United States', 'LEADER_NAME', 'Barack Obama'], ['Alcatraz Versus the Evil Librarians', 'COUNTRY', 'United States'], ['United States', 'ETHNIC_GROUP', 'African Americans']]

Example Input: The ground of A.S. Gubbio 1910 is located in Italy, where Italians live. The capital is Rome and two of the leaders are Pietro Grasso, and Sergio Mattarella.
Example Output:
[['Italy', 'LEADER', 'Pietro Grasso'], ['Italy', 'DEMONYM', 'Italians'], ['Italy', 'CAPITAL', 'Rome'], ['Italy', 'LEADER', 'Sergio Mattarella'], ['A.S. Gubbio 1910', 'GROUND', 'Italy']]