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.

[['779', 'BR_NO.', '31779'], ['779', 'BUILDER', 'Borsig']]
Borsig is the builder for br no. 31779.

[['Doline', 'LARGEST_ETHNIC_GROUP_(2002)', 'Hungarians']]
The largest ethnic group in Doline is Hungarians.

[['Peter Stöger', 'CLUB', 'SK Rapid Wien'], ['1. FC Köln', 'MANAGER', 'Peter Stöger']]

Peter Stoger plays for SK Rapid Wien and is the manager of 1. FC Koln.