question: If both yurts have decks and one of them has an open door.
#1 return yurts 
#2 return decks 
#3 return door 
#4 return #3 that is open 
#5 return #1 that have #2 
#6 return #1 that has #4 
#7 return the  number of  #5 
#8 return the  number of  #6 
#9 return if  #7 is equal to  two 
#10 return if  #8 is equal to  one 
#11 return if  both  #9 and #10 is true