Ordering of Sentences
                    
                    
                                                            S1: Our ancestors thought that anything which moved itself was alive. P : The philosopher Descartes thought that both men and animals were machines. Q : But a machine such as a motorcar or a steamship moves itself, as soon as machines which moved themselves had been made, people asked "Is man a machine?" R : And before the days of machinery that was a good definition. S : He also thought that the human machine was partly controlled by the soul action on a certain part of the brain, while animals had no souls. S6: Therefore some scientists think that life is just a very complicated mechanism. The Proper sequence should be:
                                    
                
                
            
            
            
            
                                                
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                        
            
            
                        
            
                
                
                
            
                        
                     
        
     
            
            
            
         
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