If the left and right image contains the same number of vaulters
return left image ;return vaulters of #1 ;return the  number of  #2 ;return right image ;return vaulters of #4 ;return the  number of  #5 ;return if  #3 is equal to  #6
['select', 'project', 'aggregate', 'select', 'project', 'aggregate', 'boolean']