answer: Jenny requests John to lend her five hundred yuan.
documents: #Person1#: Hello, Jenny. What's the matter? 
  #Person2#: John, I'm hard up at the moment. Could you lend me five hundred yuan? I'll return it to you early next month. 
  #Person1#: No problem, Jenny. Are you sure five hundred is enough? 
  #Person2#: Yes. Thank you so much.