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.

[Q]: Text:  Forrest David Mathews (born December 6 1935) served as the 11th United States Secretary of Health Education and Welfare from 1975 to 1977 during the administration of President Gerald R. Ford. Since the 1980s he has been president and chief executive officer of the Kettering Foundation. He is the author of several books on democratic practice and education.
[A]: Yes


[Q]: Text:  Linda Black is a Democratic member of the Missouri House of Representatives serving since 2009. Before being elected to the legislature Black was a public school teacher. She has also served as treasurer of Bonne Terre and Chief Deputy Treasurer of St. Francois County.
[A]: Yes


[Q]: Text:  London Pride Sightseeing was an open top sightseeing bus operator in London.
[A]:
No