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: [['Starfish Prime', 'YIELD_(APPROXIMATE)', '1.4 megatons'], ['Starfish Prime', 'ALTITUDE_(KM)', '400']]

The altitude of the 1.4 megatons explosion was 400 km.