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:

It’s very painful to see how a great country humiliates itself like this, opposes in its obstinate delirium other members of UN Security Council. We all clearly said in August that US claims to trigger #snapback are illegitimate. Is Washington deaf? #Iran https://t.co/EbQ6UkJ6FE