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 was the first to sign on the UN Charter and a founding member of the #UN75 . No matter how the world evolves, China's determination to support multilateralism will not change.
https://t.co/G1bq6rnnRg