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:

. @eucopresident sobre la firma del acuerdo de la salida del Reino Unido de la #UniónEuropea:

"Las cosas inevitablemente  cambiarán pero nuestra amistad permanecerá. Comenzamos un nuevo capítulo como socios y aliados." https://t.co/EORuSwibUk