What is the shape of the large purple object in front of the large red cube?
return objects ;return #1 that  is  large ;return #2 that  is  purple ;return #2 that  is  red ;return #4 that  is  cube ;return #3 that  is  in front of #5 ;return shape of #6
['select', 'filter', 'filter', 'filter', 'filter', 'filter', 'project']