Instructions: 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.
Input: Text: Matthias Steiner (born 25 August 1982 in Vienna) is an Austrian-German weightlifter and Olympic gold medalist. As a native Austrian he competed for Austria internationally from 1998 to 2005 in European Championships World Championships and the 2004 Summer Olympics. From 2002 to 2005 he was four times Austrian National Champion in the +105 kg category and holds Austrian records in the 105 kg and +105 kg categories.
Output:
Yes