Xiao Li once took a steamer, and suddenly found that his bag was missing. Looking away, a man was walking with his bag, and after catching up, the man politely apologized to him that he had taken it wrong, and then continued to Go forward, when a policeman rushed over and twisted the man and said that he was a thief. So? ['That man is not a thief, because he returned the bag to Xiao Li.', 'That man is not a thief because he took the wrong bag.', "The man is a thief because he doesn't go to find his bag.", "That man is a thief because he took Xiao Li's bag."]