Reverse thinking is a special way of thinking, and its thinking orientation is opposite to that of ordinary people. Reverse thinking is not to advocate that people violate the rules and think unrestrictedly, but to train a small probability thinking. Mode, that is, thinking that focuses on the possibility of small probability in thinking activities. According to the above definitions, Which of the following are backward thinking:. ['People abandon me, people move in and out, people move me still, people just me soft.', 'Take the formation of a complex problem as the divergence point, and combine it with other things into new problems as much as possible.', 'Taking the result of a complex problem as the divergence point, inferring the various causes of the result.', 'Twisted the way people usually think about problems,.']