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: Consider Input: Text:  Iris nigricans is a flowering plant in the family Iridaceae. It is the national flower of Jordan. The flowers are blackish-purple and 12–15 centimetres (4.7–5.9 in) in diameter and the plants are 35 cm (14 in) tall with recurved leaves. It needs direct sun and sharp drainage. It is endemic to Jordan and is an endangered species.There are 8 other irises native to Jordan and most of these are also endangered.

Output: No


Input: Consider Input: Text:  HMS R5 was a British R class submarine built at HM Dockyard Pembroke Dock. R5 was laid down in March 1918. She was never completed because her building was cancelled on 28 August 1919.

Output: No


Input: Consider Input: Text:  The Farman F.250 was a small four passenger single engine low cantilever wing airliner built in France in 1931. The single example built was bought by an airline but was little used owing to stability issues.


Output: No