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:

As all samples showed (they are all available) he left the territory of Russia being not poisoned. The only way to find the truth is cooperation between Germany and Russia. Berlin isn’t ready for that. Don’t you know why?