question: If each image shows a white dog standing without use of an aid or prosthetic, and the left image shows a three-legged dog on green grass.
#1 return dog  
#2 return #1 that is white 
#3 return aid 
#4 return prosthetic 
#5 return #2 standing without use of #3 
#6 return #2 standing without use of #4 
#7 return #5 , #6 
#8 return images of #7 
#9 return images 
#10 return number of  #8 
#11 return number of  #9 
#12 return if  #10 is equal to  #11 
#13 return #1 that is three-legged 
#14 return grass 
#15 return #14 that is green 
#16 return #13 on #15 
#17 return if  #16 is in  the  left image  
#18 return if  both  #12 and #17 are true