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: [['Aero Commander 500', 'IN_SERVICE', '0'], ['Aero Commander 500', 'NOTES', '3 in service with the Air Wing from 1976 to 1990'], ['Aero Commander 500', 'ORIGIN', 'USA']]

From 1976 to 1990, the USA had 3 Aero Commander 500 in service, but now there are 0 in service.