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: [['1861 Navy Revolver', "YEARS_MFG'D", '1862'], ['1861 Navy Revolver', 'FRAME', 'Medium'], ['1861 Navy Revolver', 'PRODUCTION', '7,000 (estimated)']]

1861 Navy Revolver with a medium frame has an estimated 7000 production manufactured in 1862