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:

The U.S. congratulates Dr. Tsai Ing-wen on her re-election in #Taiwan's presidential election. Taiwan once again demonstrates the strength of its robust democratic system. Thank you President Tsai for your leadership in developing a strong U.S. partnership.