You will be given a passage, and your task is to generate a Yes/No question that is answerable based on the given passage.

Example input: Powdered sugar, also called confectioners' sugar, icing sugar, and icing cake, is a finely ground sugar produced by milling granulated sugar into a powdered state. It usually contains a small amount of anti-caking agent to prevent clumping and improve flow. Although most often produced in a factory, powdered sugar can also be made by processing ordinary granulated sugar in a coffee grinder, or by crushing it by hand in a mortar and pestle.
Example output: is confectionary sugar the same as powdered sugar?
Example explanation: The question is a yes/no question, and it is answerable based on the given passage.
Q: Both types of privilege are based on the policy of encouraging spousal harmony and preventing spouses from having to condemn, or be condemned by, their spouses: the spousal communications privilege or confidences privilege is a form of privileged communication that protects the contents of confidential communications between spouses during their marriage from testimonial disclosure, while spousal testimonial privilege (also called spousal incompetency and spousal immunity) protects the individual holding the privilege from being called to testify in proceedings relating to his/her spouse.
A:
does a spouse have to testify against their spouse?