question: If there are two glass jars and they are both open.
#1 return jars 
#2 return #1 that are  glass 
#3 return #2 that are  open 
#4 return number of #2 
#5 return number of #3 
#6 return If #4 is  equal to two 
#7 return If #5 is  equal to two 
#8 return If both  #6 and #7 is  true