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: [['Apollo 12', 'BACKUP_PILOT', 'Alfred Worden'], ['Alan Bean', 'WAS_A_CREW_MEMBER_OF', 'Apollo 12'], ['Apollo 12', 'OPERATOR', 'NASA'], ['Apollo 12', 'COMMANDER', 'David Scott'], ['Alan Bean', 'WAS_SELECTED_BY_NASA', '1963'], ['Alan Bean', 'DATE_OF_BIRTH', '"1932-03-15"']]

Alan Bean was born on the 15th of March 1932 and selected to be part of NASA's Apollo 12 mission in 1963. Apollo 12 was commanded by David Scott and included backup pilot Alfred Worden.