If there are a total of 2 gorillas in each pair of images.
return pair of images ;return gorillas ;return the  number of  #2 for each  #1 ;return #1 where  #3 is equal to  2 ;return the  number of  #1 ;return the  number of  #4 ;return if  #5 is equal to  #6
['select', 'select', 'group', 'comparative', 'aggregate', 'aggregate', 'boolean']