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:

We welcome the US aid to other countries. It's the duty and responsibility of the largest developed country. The more, the better. We do our best to help and support others out of humanity and to return kindness. https://t.co/z3rUGe6zBd