Sheet 1
Lunch
  Problem
    about Delivery food at school
      Place: Lack of places to eat
      Food smell
      Food stains
      Left food
      아저씨 두번와요
  Kinds
    Restaurant food
      Asian food
        Chinese food
        Korean food
        Vietnam food
        Japanese food
        Indian food
        Thai food
      Western food
        Italian food
        American food
    Fast food
    delivery food
      Chinese food
      Korean food
      Fast food
        hamburger
        sandwitch
        Pizza
    Instant food
    Lunch box
    Subtopic 6
  Solution
    using personal plate
    Multipurpose desk
    Bojagi: cloth wrapper
    Big paper like a post-it
    aromatic pack like a Febreze
    Bamboo case
    keep domestic animals at campus
    Recycle machine for left food
    짜장면그릇 회수금
  Place
    Reataurant
    Home
    University
      Cafeteria
      Student Restaurant
      Dormitory
      Lecture room
      Laboratory
      campus