Action1                                                                                                                                           
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                     Action2:                                                                                                                                                                                                                             
                     Model2                                                                                                                                                                                                                               
                                                                                                                                                                                                                                                         ₼
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                                                                                                                                                                          
                                                                                                        Action3