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: [['Philadelphia, Baltimore and Washington Railroad', 'FROM', '1902'], ['Philadelphia, Baltimore and Washington Railroad', 'TO', '1976'], ['Philadelphia, Baltimore and Washington Railroad', 'SYSTEM', 'PRR']]

Philadelphia, Baltimore and Washington Railroad was part of the PRR system and operated from 1902 to 1976.