question: Are the two spheres the same size and the same color?
#1 return spheres 
#2 return number of  #1 for each size 
#3 return #1 where #2 is  two 
#4 return number of  #1 for each color 
#5 return #1 where #4 is  two 
#6 return is  #3 same as #5