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:

The U.S. Embassy stands in solidarity with fellow Americans grieving and peacefully protesting to demand positive change. Our #BlackLivesMatter banner shows our support for the fight against racial injustice and police brutality as we strive to be a more inclusive &amp; just society. https://t.co/Y4Thr2MRdw