answer: #Person2# explains the flower vases' materials and advantages and #Person1# understands why they're expensive.
documents: #Person1#: Where do these flower vases come from? 
  #Person2#: They are made a town nearby. The flower vases are made of porcelain and covered with tiny bamboo sticks. 
  #Person1#: Are they breakable? 
  #Person2#: No. They are not only ornmamental, but also useful. 
  #Person1#: No wonder it's so expensive.