How to practically design chatbot with repeated parts of a story

Dear Sir, Yes, I’ll send you the part I’m working on and the problems I’m having! My current topic is to get the questions in an exam for the user to test. I made a bot according to the Vietnamese recognition part

  1. Part 1, the structure does:
  • config.yml, do you use an external library to recognize Vietnamese, can you please take a look and help me, if possible, can you please refer to my config.yml file?

config.yml file