Definition: In this task, you are given triplets. Each triplet is in the form of [subject, predicate, object]. Your task is to generate proper sentence that utilizes these triples. The objective is to construct a sentence that (a) captures the facts specified in the triples and (b) is a well-formed sentence easily understandable by a human. All triple values need not be used directly in the sentence as long as the facts are adequately captured.
Input: [['Bacon Explosion', 'COUNTRY', 'United States'], ['United States', 'LEADER_NAME', 'Paul Ryan'], ['United States', 'ETHNIC_GROUP', 'African Americans'], ['United States', 'CAPITAL', 'Washington, D.C.']]

The leader of the United States is Paul Ryan and the capital city is Washington DC. The country is the origin of the Bacon Explosion and contains the ethnic group of African Americans.