Literary awards are definitely subjective, but I don't think that matters. I'm just saying I think an AI will write a book that a significant portion of the population thinks is very good. The first "good" AI book will likely be from some formulaic genre (think 50 Shades of Gray) that most people think is trash, but enough people will like it to legitimately propel it to the top of the sales charts.
I also think my kids will live long enough to see an animated movie that is conceived of, written, scored, and animated by an AI.
Music is a much easier problem (tight structure, lots of existing data to quickly analyze), and the animation bit is already being pretty thoroughly explored by procedural generation in games. You'd still need a "director" to pick shots, but most of the other pieces are nearly in place. We have algorithms that can create new environments, and design and animate new characters.
But generating a coherent narrative, and good writing to "implement" that narrative. These are huge problems which - as far as I'm aware - would require major breakthroughs to achieve. Machine translation is still utter garbage, and that's fairly straightforward work. We're nowhere near an AI which actually understands language.
I also think my kids will live long enough to see an animated movie that is conceived of, written, scored, and animated by an AI.