Is there an object the same color as the object behind the purple sphere?
return the purple sphere ;return objects ;return #2 behind #1 ;return color of #3 ;return #2 besides #3 ;return colors of #5 ;return #5 where #6 is  the same as #4 ;return if  there  are any  #7
['select', 'select', 'filter', 'project', 'discard', 'project', 'comparative', 'boolean']