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:

So many questions and so many discrepancies. The establishment of truth, as well as full picture of this events requires close cooperation between Russian and German specialists. Unfortunately Berlin blocks in under different pretexts. No  interest to find the truth? https://t.co/zoxBAY40vs