question: If the left and right image contains the same number of small rodents.
#1 return rodents 
#2 return #1 that are  small 
#3 return #2 in  the  left image 
#4 return #2 in  the  right image 
#5 return number of #3 
#6 return number of  #4 
#7 return if  #5 is  equal to #6