question: If there are two black dung beetles touching both the ground and the dung circle.
#1 return dung beetles 
#2 return #1 that are black 
#3 return the  ground 
#4 return the  dung circle 
#5 return #2 touching #3 
#6 return #2 touching #4 
#7 return #2 in  both  #5 and #6 
#8 return number of  #7 
#9 return if  #8 is equal to  two