In this task, you're given a text which is the body of the document. Indicate your answer as "Yes" if the text is about a person, otherwise indicate your answer as "No". Don't generate anything else apart from "Yes" or "No". Pay attention that for your answer to be "Yes", the passage should be generally about a person. Mentions of people in the text don't necessarily mean the text is about a person.

Text:  In the Courts of the Conqueror: The 10 Worst Indian Law Cases Ever Decided is a 2010 legal non-fiction book by Walter R. Echo-Hawk a Justice of the Supreme Court of the Pawnee Nation an adjunct professor of law at the University of Tulsa College of Law and of counsel with Crowe & Dunlevy.
No

Text:  Alexander was a First Fleet transport of 452 tons barque-built with quarterdeck built at Hull in 1783. She was the largest transport ship in the First Fleet at 452 tons and 114 feet (35m) in length. Her master was Duncan Sinclair and her surgeon was William Balmain.Alexander's convict cargo were drawn from prison hulks on the Thames and directly from Newgate Prison and loaded aboard at Woolwich Docks in early 1787.
No

Text:  Mathieu Dourthe (born 22 July 1977 in Dax France) is a French rugby union player whose usual position is at a fullback. Prior to joining Section Paloise he played for US Dax and SU Agen Lot-et-Garonne. He earned his only cap for France on 18 November 2000 against All Blacks.

Yes