If each image contains a single dog, and the left image features a dog with its head cocked, while the right image shows a dog looking directly forward with a straight head.
return images ;return dogs in  #1 ;return number of  #2 for each  #1 ;return #1 where  #3 is equal to  one ;return number of  #4 ;return number of  #1 ;return if  #5 is equal to  #6 ;return the  left image  ;return dog  in  #8 ;return head of #9 ;return if  #10 is cocked ;return the  right image  ;return dog  in  #12 ;return #13 that is looking directly forward ;return head of #14 ;return if  #15 is straight ;return if  both  #11 and #16 are true ;return if  both  #7 and #17 are true
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