answer: #Person2# helps #Person1# order coffee, orange juice and cake.
documents: #Person1#: Excuse me!
  #Person2#: Yes. Can I help you?
  #Person1#: We're ready to order. A cup of coffee for me, and a glass of oranges for her.
  #Person2#: Yes, how would you like your coffee?
  #Person1#: Just black coffee. Do you serve anything else besides drinks, say cake.
  #Person2#: We also serve sandwiches and cakes.
  #Person1#: Give me two pieces of cake.