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:

Worried to hear about Alexei Navalny's @navalny suspected poisoning. 
If confirmed, those responsible must be held to account.

Wishing him a swift and full recovery.