question: If there are drapes, but no bed or environment.
#1 return drapes 
#2 return number of  #1 
#3 return if  #2 is at least one 
#4 return beds 
#5 return number of  #4 
#6 return if  #5 is equal to  zero 
#7 return environments 
#8 return number of  #7 
#9 return if  #8 is equal to  zero 
#10 return if  both  #6 and #9 are true 
#11 return if  both  #3 and #10 are true