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