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: [['300 North LaSalle', 'LOCATION', 'Chicago'], ['Illinois', 'COUNTRY', 'United States'], ['Illinois', 'CAPITAL', 'Springfield, Illinois'], ['Chicago', 'IS_PART_OF', 'Illinois'], ['Chicago', 'LEADER_NAME', 'Susana Mendoza']]

300 North LaSalle is located in Chicago, where one of the leaders is Susana Mendoza. Chicago is part of the state of Illinois, in the United States. The capital of that state is Springfield.