If the left and right image contains a total of six bottles.
return left image ;return right image ;return bottles of #1 ;return bottles of #2 ;return the  number of  #3 ;return the  number of  #4 ;return the  sum of #5 and #6 ;return if  #7 is equal to  six
['select', 'select', 'project', 'project', 'aggregate', 'aggregate', 'arithmetic', 'boolean']