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:

Citizens of #Odessa are paying tribute to the 42 protesters killed in inferno by "pro-European activists" six years ago. #Ukraine authorities are yet to provide a credible explanation. Justice must be done. https://t.co/8yjCZ4Hs5R