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: [['Franklin D. Roosevelt', 'LEFT_OFFICE', 'August 26, 1920'], ['Franklin D. Roosevelt', 'ASSUMED_OFFICE', 'March 17, 1913'], ['[TABLECONTEXT]', '[TITLE]', 'Assistant Secretary of the Navy'], ['[TABLECONTEXT]', 'NAME', 'Franklin D. Roosevelt']]

Franklin D. Roosevelt served as assistant secretary of the Navy from March 17, 1913 to August 26, 1920.