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:

For decades @ASEAN has helped foster a more stable, prosperous, and peaceful region and today it sits at the heart of the U.S. vision for a free and open Indo-Pacific region. Grateful for this partnership and delighted to wish the ten ASEAN countries a happy 53rd #ASEANDay! https://t.co/5Idqs7hApY