question: If one image contains more than four vultures on a tree that is at least mostly bare, and the other contains a single vulture.
#1 return one image 
#2 return vultures in  #1 
#3 return tree in  #1 
#4 return #3 that is at least mostly bare 
#5 return #2 on #4 
#6 return number of  #5 
#7 return if  #6 is higher than four 
#8 return the  other image 
#9 return vultures in  #8 
#10 return number of  #9 
#11 return if  #10 is equal to  one 
#12 return if  both  #7 and #11 are true