Art or Entertainment?

This is a widely debated topic among writers of every genre. Is what you write art? Or is it entertainment?

Books like Twilight, Harry Potter, etc (other mainstream successes) are they art, or entertainment?

Does a successful book have artistic merit to it to be valued, or is entertaining wide audiences enough?

I have a very specific point of view on this, but would love to hear what you have to say and will dedicate a post on this topic next week.

So let me know? What is your thought about writing? Art or Entertainment? Which side do you choose?