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:  The Buddleja 'Butterfly Ball' name has been applied to two hybrid cultivars both relatively obscure; their ancestry and origin is unknown.
Output:
No