erDiagram
    natural ||--o{ create : ready
    natural {
        DATE ready
        TEXT budget
        VARCHAR(50) statement
    }
    create ||--o{ page : over
    create {
        VARCHAR(50) over
        DATE start
    }
    page ||--o{ society : explain
    page {
        DATE explain
        TEXT adult
        VARCHAR(50) process
    }
    society ||--o{ letter : safe
    society {
        VARCHAR(50) safe
        DATE guess
    }
    letter ||--o{ example : you
    letter {
        DATE you
        TEXT exactly
        VARCHAR(50) sort
    }
    example ||--o{ natural : recognize
    example {
        VARCHAR(50) recognize
        DATE relationship
    }