Detailed Instructions: In this task, you are given Wikipedia articles on a range of topics, we ask you to write a question based on the content of the articles that can be answered in a binary manner i.e. True or False.
Q: Courtesy titles in the United Kingdom -- The wife of a substantive peer is legally entitled to the privileges of peerage: she is said to have a ''life estate'' in her husband's dignity. Thus a duke's wife is titled a ''duchess'', a marquess's wife a ''marchioness'', an earl's wife a ''countess'', a viscount's wife a ''viscountess'' and a baron's wife a ''baroness''. Despite being referred to as a ''peeress'', she is not a peer in her own right: this is a 'style' and not a substantive title. However, this is considered a legal title, unlike the social titles of a peer's children.
A:
is the wife of an earl a countess