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.

Ex Input:
Text:  Peter Alan Simpson (b. 1942) is a writer literary critic and former New Zealand politician of the Labour Party.

Ex Output:
Yes


Ex Input:
Text:  Oxalis pes-caprae (Bermuda buttercup African wood-sorrel Bermuda sorrel Buttercup oxalis Cape sorrel English weed Goat's-foot Sourgrass Soursob and Soursop; (Afrikaans: Suring) ) is a species of tristylous flowering plant in the wood sorrel family Oxalidaceae. Oxalis cernua is a less common synonym for this species.

Ex Output:
No


Ex Input:
Text:  Johann Wieland (born January 1 1972) is an Austrian ski mountaineer.Wieland started ski mountaineering in 1984 and competed first in the Preberlauf event in 1999. He has been member of the ASKIMO national team since 2008 and lives in Tamsweg.

Ex Output:

Yes