question: Are the small round object and the green cylinder made of the same material?
#1 return cylinder 
#2 return #1 that is  green 
#3 return object 
#4 return #3 that is  small 
#5 return #4 that is  round 
#6 return material of #2 
#7 return material of #5 
#8 return if #6 is  the   same as #7