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: [['Beryllium', 'GROUP', '2'], ['Beryllium', 'ATOMIC_NO.', '4'], ['Beryllium', 'DESCRIPTION', 'Alkaline earth metal']]

The fourth element, Beryllium is an alkaline earth metal in group 2.