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: [['1970-1975', 'IMR*', '162'], ['1970-1975', 'CDR*', '25.6'], ['1970-1975', 'NC*', '30.2'], ['1970-1975', 'TFR*', '7.52'], ['[TABLECONTEXT]', 'PERIOD', '1970-1975'], ['[TABLECONTEXT]', '[TITLE]', 'Demographics of Niger'], ['1970-1975', 'CBR*', '55.8']]

From 1970 to 1975, Niger saw a CBR and CDR of 55.8 and 25.6, respectively, along with a total fertility rate of 7.52 and an infant mortality rate of 162, resulting in a natural change of 30.2.