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:

A lie repeated a thousand times is a lie after all. The origin of the coronavirus is still unknown and unclear. What is known and clear is the time-line of China's #COVID19 response, which will stand the test of time and history.