If the left and right image contains the same number of pillows in pillow bags.
return the  left image ;return the  right image ;return pillows in  #1 ;return pillows in  #2 ;return pillow bags in  #1 ;return pillow bags in  #2 ;return #3 in  #5 ;return #4 in  #6 ;return number of #7 ;return number of #8 ;return if  #9 is equal to  #10
['select', 'select', 'project', 'project', 'project', 'project', 'filter', 'filter', 'aggregate', 'aggregate', 'boolean']