Is the cube behind the ball the same color as the cube in the far back?
return cubes ;return the  ball ;return #1 that is behind #2 ;return #1 that is in  the  far back ;return color of #3 ;return color of #4 ;return is #5 the  same as #6
['select', 'select', 'filter', 'filter', 'project', 'project', 'boolean']