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:  Sir Crawford David Nalder (14 February 1910 – 8 December 1994) was an Australian politician who served in the Western Australian Legislative Assembly from 1947 to 1974 including as deputy premier from 1962 to 1971. Born in Katanning Western Australia Nalder was educated at Wesley College Perth but returned to farming after graduation. He was elected to the seat of Wagin at the 1947 state election as a member of what would later be known as the Country Party.
Yes

Text:  Euphorbia baioensis is a species of flowering plant in the Euphorbiaceae family. This spiny succulent plant is originally from Kenya. It is found in tropical deserts and flourishes in hot dry conditions.
No

Text:  the Journal of the American Ceramic Society is a monthly peer-reviewed scientific journal published on behalf of the American Ceramic Society by Wiley-Blackwell. It was established in 1918 and is co-edited by David J. Green John Halloran David W. Johnson Jr and Lisa Klein. Publishing formats included full length original research communications (rapid publishing) feature articles and review articles. The journal covers all aspects of research on ceramic materials science.

No