question: If each image contains exactly one animal, which has horns and stands with its head turned to face the camera.
#1 return images 
#2 return animals in  #1 
#3 return #2 that have horns 
#4 return #3 that stand 
#5 return head of #4 
#6 return #4 where  #5 is turned to  face the  camera 
#7 return number of  #2 for each  #1 
#8 return number of  #6 for each  #1 
#9 return #1 where  #7 is equal to  one 
#10 return #1 where  #8 is equal to  one 
#11 return #1 in  both  #9 and #10 
#12 return number of  #1 
#13 return number of  #11 
#14 return if  #13 is equal to  #12