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: [['Australia', '2002', '290'], ['Australia', '2000', '160'], ['[TABLECONTEXT]', 'COUNTRY', 'Australia'], ['Australia', '2001', '230'], ['[TABLECONTEXT]', '[TITLE]', 'Niobium']]

Australia mined 160 tonnes of niobium in 2000, 230 in 2001, and 290 in 2002.