 There are tiny purple balls.Does it the same color and same shape?
return balls.Do ;return #1 that  are tiny ;return #1 that  are purple ;return #1 in both #2 and #3 ;return colors of #4 ;return shapes of #4 ;return if  #5 are the  same ;return if  #6 are the  same ;return #7 and #8
['select', 'filter', 'filter', 'intersection', 'project', 'project', 'boolean', 'boolean', 'union']