anchor.diff:    # `LOGGED_IN` because we don't know whether or not the authentication is valid
     # (error could be something else).
     authenticationStatus: AuthenticationStatus!
  +  channel(id: ID!): Channel!
   
     # A list of cities
     cities(featured: Boolean = false): [City!]!
  
positive.code:   # `LOGGED_IN` because we don't know whether or not the authentication is valid
    # (error could be something else).
    authenticationStatus: AuthenticationStatus!
  
    # A list of cities
    cities(featured: Boolean = false): [City!]!
  
negative.code:   # The byline for the article. Defaults to "Artsy Editors" if no authors are present.
    byline: String
    cached: Int
    channel: Channel
    channelArticles(
      # Number of articles to return
      size: Int = 12
    ): [Article!]!
    channelID: String @deprecated(reason: "Use `channel` instead")
    contributingAuthors: [Author] @deprecated(reason: "Use `byline` or `authors` instead")
    description: String
    hero: ArticleHero
  