question: If each image contains one ferret standing on dirt ground, with at least one front and one back paw on the ground.
#1 return images 
#2 return ferrets in  #1 
#3 return dirt ground in  #1 
#4 return #2 standing on #3 
#5 return front paws of #4 
#6 return back paws of #4 
#7 return #5 on #3 
#8 return #6 on #3 
#9 return number of  #7 for each  #4 
#10 return number of  #8 for each  #4 
#11 return #4 where  #9 is at least one   
#12 return #4 where  #10 is at least one   
#13 return #4 in  both  #11 and #12 
#14 return number of  #13 for each  #1 
#15 return #1 where  #14 is equal to  one   
#16 return number of  #15 
#17 return number of  #1 
#18 return if  #16 is equal to  #17