Sentence 1: At the factory Greg saw that two different parts had the same number. 
 Sentence 3: The supervisor looked up the part and saw that one was mislabeled 
 Sentence 4:  The supervisor told Greg to make a new label for the mislabeled one 
 Sentence 5:  After Greg made the label, there was no more confusion with parts 
 Option 1: He brought this to the attention of a supervisor. 
 Option 2: He ignored it and went about his work.