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: [['6000-6057', 'QUANTITY', '58'], ['6000-6057', 'RAILROAD', 'Soo Line'], ['6000-6057', 'NOTES', 'SOO 6000-6020 returned to leaser, Capital Finance (CIT Group) Former SOO 6021-6057/CP 6221-6257 have now been put up for sale.']]

There's 58 of Soo Line Railroad available.