answer: #Person2# tells #Person1# how to take the tonic that is only available in China and can cure ailments without side effects.
documents: #Person1#: My, it looks too queer!
  #Person2#: Yes, it is a queer drug, a tonic only available in China. Many ancient Chinese medicine journals have recorded that it can cure such ailments as night sweat, pain at loins and knees and anaemia. It has no side effect.
  #Person1#: Great! Will you please tell me how to take it?
  #Person2#: Yes, madam. Fill 3 or 5 pieces of Cordyceps into a cleaned and chopped open duck's head and cook with the whole duck. Or stew Cordyceps with chicken.
  #Person1#: That sounds very interesting!
  #Person2#: Please don't eat turnip and garlic when taking this medicine.
  #Person1#: Thank you very much.