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