You will be given one or more triples. The second part of each triple shows the relation between the first and the third element. Your task is to write a simple and short piece of text (sentence(s)) that describes the triples in natural language.

Apollo_12 | backup pilot | Alfred_Worden
Alan_Bean | was a crew member of | Apollo_12
Apollo_12 | operator | NASA
Alan_Bean | occupation | Test_pilot
Apollo_12 | commander | David_Scott
Alan_Bean | birthPlace | Wheeler,_Texas
Alan_Bean | was selected by NASA | 1963
Alan Bean was born in Wheeler, Texas. He was selected by NASA in 1963 and he performed as a test pilot. He was a crew member on the NASA operated Apollo 12, which was commanded by David Scott. Alfred Worden was the backup pilot of Apollo 12.