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