If the sphere swaps places with the gray cube, can it roll straight off the scene to the left without hitting other objects?
return cubes ;return objects ;return #1 that  is  gray ;return #2 besides #3 ;return #4 that  are to  the   left of #3 ;return the   number of  #5 ;return is  #6 more than  zero
['select', 'select', 'filter', 'discard', 'filter', 'aggregate', 'boolean']