Given the task definition and input, reply with output. 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: Georgy Demidov (Russian: ) (November 29 1908- February 19 1987) was a Russian political prisoner and writer.Born in Saint Petersburg to a working-class family Demidov showed technical and engineering gifts at an early age and was thought to be a future physicist. From 1929 to 1931 he was imprisoned for political crimes.
Yes