If left and right images each contain one standing black buffalo in the foreground, and the buffalo in the two images are turned toward each other.
return left image ;return right image ;return foreground of #1 ;return foreground of #2 ;return buffalo  in  #3 ;return buffalo  in  #4 ;return #5 that is black ;return #6 that is black ;return #7 that is standing ;return #8 that is standing ;return number of  #9 ;return number of  #10 ;return if  #11 is equal to  one ;return if  #12 is equal to  one ;return if  #9 is turned toward #10 ;return if  #10 is turned toward #9 ;return if  both  #13 and #14 are true ;return if  both  #15 and #16 are true ;return if  both  #17 and #18 are true
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