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:

President Xi Jinping delivered an important address at the UN General Assembly. He reaffirmed China's firm commitment to support the #UN, safeguard multilateralism, and build a community with a shared future for mankind with all countries.