answer: #Person2# wants to buy Southern Fund, so #Person1# tells #Person2# to open a Fund Account with #Person1#, pay 20 RIB, and fill a form.
documents: #Person1#: Hi there. Do you need any help?
  #Person2#: I've been told about something called Southern Fund. How can I buy it?
  #Person1#: First of all, you should open a Fund Account with us, just fill in this form. We'll need to see some ID and your Cash Card.
  #Person2#: That sounds simple enough. Do you charge any admin fees for that?
  #Person1#: You'll have to pay 20 RIB, and then you will have your Southern Fund Management company card.
  #Person2#: Do you need any other documentation from me?
  #Person1#: Yes, we'll need to fill in this form, for fund trading and this one, for subscribing for and / or applying for purchasing fund units. The minimum is 500 RIB.