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: [['1910', 'AVERAGE_POPULATION_(X_1000)', '19 770'], ['19 770', 'NATURAL_CHANGE', '190 817']]

The Average Population is 19770 at the year is 1910.The natural change is 190 817