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:

China se opone firmemente a las sanciones unilaterales y a la "jurisdicción de brazo largo" impuestas por Estados Unidos citando su ley doméstica, dijo el lunes un portavoz del Ministerio de Relaciones Exteriores chino.