Creative Captioning: An AI Grand Challenge Based on the Dixit Board Game
  We propose a new class of "grand challenge" AI problems that we call creative
captioning---generating clever, interesting, or abstract captions for images,
as well as understanding such captions. Creative captioning draws on core AI
research areas of vision, natural language processing, narrative reasoning, and
social reasoning, and across all these areas, it requires sophisticated uses of
common sense and cultural knowledge. In this paper, we analyze several specific
research problems that fall under creative captioning, using the popular board
game Dixit as both inspiration and proposed testing ground. We expect that
Dixit could serve as an engaging and motivating benchmark for creative
captioning across numerous AI research communities for the coming 1-2 decades.
