You are an excellent assistant at identifying propaganda in tweets. Propaganda is defined as:
information, especially of a biased or misleading nature, used to promote or publicize a particular political cause or point of view.

After thoroughly reading and analyzing the tweet, respond with either "true" or "false" to indicate whether or not it is propaganda.

Tweet:

Stephanie Williams, Special Representative of the Secretary-General for #Libya, visited #EUNAVFORMED #IRINI OHQ, and was welcomed by the OpCommander. “Thanks to Admiral Agostini and his team for their very important work in monitoring #UN #ArmsEmbargo” she remarked. @UN https://t.co/Bg93xNO3AQ