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 two countries have supported and defended each other against slanders and attacks coming from certain countries. Together, China and Russia have forged an impregnable fortress against the "political virus" and demonstrated the strength of China-Russia strategic coordination.