If the left image shows a single silverback male gorilla, and the right image shows a group of gorillas of various ages and sizes.
return left image  ;return gorilla in  #1 ;return #2 that is male ;return #3 that is silverback ;return number of  #4 ;return if  #5 is equal to  one ;return right image  ;return gorillas in  #7 ;return #8 that are in  a  group ;return ages of #9 ;return #9 where  #10 is various ;return sizes of #11 ;return #11 where  #12 is various ;return number of  #13 ;return if  #14 is higher than two ;return if  both  #6 and #15 are true
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