question: If in one of the images, human fingers are visible in only one of the two gloves.
#1 return human fingers 
#2 return gloves 
#3 return #1 that are visible in  #2 
#4 return images 
#5 return number of  #2 for each  #4 
#6 return #4 where  #5 is equal to  two 
#7 return number of  #3 for each  #6 
#8 return #6 where  #7 is equal to  one 
#9 return number of  #8 
#10 return if  #9 is equal to  one