Alexa creates a detailed encyclopedia of the the many works of J.R.R.Tolkien, the famous author of The Hobbit and the trilogy The Lord of the Rings. Each of these original words by Tolkien are subject to copyright laws in the United States. The estate of Tolkien sues Alexa, asserting copyright infringement due to the detailed use of various aspects of the original works. Alexa claims fair use.

Is there a violation of intellectual property here, and if not why not, or if so, on what basis? Explain in 150-250 words.