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:

Embajador Cui Tiankai: la gente pide cooperación entre China y EE. UU. para contener COVID-19.
https://t.co/9UglB7au9U