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: [['John Brown', 'LAUNCH_DATE', '21 December 1938'], ['John Brown', 'LAID_DOWN', '11 October 1937']]

The destroyer was laid down by John Brown on 11 October 1937 and launched on 21 December 1938.