question: How many objects are shiny yellow balls or tiny blue balls? 
#1 return objects 
#2 return #1 that  are balls 
#3 return #2 that  are shiny 
#4 return #3 that  are yellow 
#5 return #2 that  are tiny 
#6 return #5 that  are blue 
#7 return number of  #4 
#8 return number of  #6 
#9 return sum of #7 and #8