anchor.diff:    artwork(
       # The slug or ID of the Artwork
       id: String!
  -
  -    # Include unlisted artwork or not
  -    includeUnlisted: Boolean
     ): Artwork
   
     # List of all artwork attribution classes
  
positive.code:   submissionId: String
    title: String
  
    # Whether this artwork is unlisted or not
    unlisted: Boolean
  
    # Based on artwork location and status, verify that partner needs VAT exemption approval from Artsy.
    vatExemptApprovalRequired: Boolean
  
  
negative.code:   artwork(
      # The slug or ID of the Artwork
      id: String!
    ): Artwork
  
    # List of all artwork attribution classes
  